Yaakov Israel Emden [Ya'avetz] (Ashkenazi s#5)

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Yaakov Israel Emden (Ashkenazi), [Ya'avetz]

Hebrew: יעקב ישראל עמדן, יעב"ץ
Also Known As: "יעקב עמדן", "Ya'avetz", "יעב"ץ"
Birthdate:
Birthplace: Emden, Lower Saxony, Germany
Death: Died in Altona (Hamburg), Germany
Place of Burial: Altona (Hamburg), Germany
Immediate Family:

Son of Chacham Tzvi Hirsch Ashkenazi and Sarah Rivka Ashkenazi (Mirels) [Chacham Zvi 2nd wife]
Husband of Rachel Emden; Sarah Emden/Ashkenazi (Niar) - and Batya Tzivia Emden
Father of R' Meir Emden A.B.D. Constantin; Israel Meshullam Solomon; Esther Mendel; Chane Heschel Lewenstam, [of Amsterdam]; Wife of Benjamin Eisenstadt and 14 others
Brother of Miriam Lowenstein (Ashkenazi d#2); Rachel Eisenstadt (Ashkenazi d#3); Nechama Sarah Landau (Ashkenazi d#4); R' Ephraim Ashkenazi of Lwow (s#6); Leah Rokeach (Ashkenazi d#7) and 9 others
Half brother of Daughter Ashkenazi (d#1)

Occupation: Scholar, Talmudist, Printer, Chief Rabbi & ABD, Rabbi, ספרו: מגלת ספר http://www.hebrewbooks.org/pdfpager.aspx?req=37017&st=&pgnum=1&hilite=
Managed by: Private User
Last Updated:

About Yaakov Israel Emden [Ya'avetz] (Ashkenazi s#5)

Jacob Emden - יעב"ץ, יעקב עמדן also known as Ya'avetz (June 4, 1697, Altona – April 19, 1776, Altona), was a leading German rabbi and talmudist who championed Orthodox Judaism in the face of the growing influence of the Sabbatean movement. He was acclaimed in all circles for his extensive knowledge, thus Moses Mendelssohn, founder of the Jewish Enlightenment movement, wrote to him as "your disciple, who thirsts for your words." Although Emden did not approve of the Hasidic movement which evolved during his lifetime, his books are highly regarded amongst the Hasidim. Thirty-one works were published during his lifetime, ten posthumously while others remain in manuscript.

Emden was the son of the Chacham Tzvi, and a descendant of Elijah Ba'al Shem of Chelm. He lived most his life in Altona (now a part of Hamburg, Germany), where he held no official rabbinic position and earned a living by printing books. His son was Meshullam Solomon, rabbi of the Hamboro' Synagogue in London who claimed authority as Chief Rabbi of the United Kingdom from 1765 to 1780.

___________________________________________________________

EMDEN, JACOB ISRAEL BEN TZVI ASHKENAZI. יעב"ץ By : Solomon Schechter M. Seligsohn

German Talmudist and anti-Shabbethaian; born at Altona June 4, 1697; died there April 19, 1776. He was the author of a set of responsa, known as She'eilat Ya'avetz, as well as a commentary on Ketubot, Beit Yaakov.

Until seventeen Emden studied Talmud under his father, known as "ChaCham Tzvi," first at Altona, then (1710-14) at Amsterdam. In 1715 he married the daughter of Mordecai ben Naphtali Kohen, rabbi of Ungarish-Brod, Moravia, and continued his studies in his father-in-law's yeshibah.

Emden became well versed in all branches of Talmudic literature; later he studied philosophy, Cabala, and grammar, and made an effort to acquire the Latin and Dutch languages, in which, however, he was seriously hindered by his belief that a Jew should occupy himself with secular sciences only during the hour of twilight.

He was also opposed to philosophy, and maintained that the "Moreh" could not have been written by Maimonides ("Miṭpaḥat Sefarim").

He spent three years at Ungarish-Brod, where he held the office of private lecturer in Talmud. Then be became a dealer in jewelry and other articles, which occupation compelled him to travel. He generally declined to accept the office of rabbi, though in 1728 he was induced to accept the rabbinate of Emden, from which place he took his name.

In 1733 he returned to Altona, where he obtained the permission of the Jewish community to possess a private synagogue. Emden was at first on friendly terms with Moses Ḥagis, the head of the Portuguese community at Altona, who was afterward turned against Emden by some calumny.

His relations with Ezekiel Katzenellenbogen, the chief rabbi of the German community, were strained from the very beginning. Emden seems to have considered every successor of his father as an intruder. A few years later Emden obtained from the King of Denmark the privilege of establishing at Altona a printing-press. He was soon attacked for his publication of the "Siddur 'Ammude Shamayim," being accused of having dealt arbitrarily with the text. His opponents did not cease denouncing him even after he had obtained for his work the approbation of the chief rabbi of the German communities.

Emden-Eybeschütz Controversy.

Emden is especially known for his controversial activities, his attacks being generally directed against the adherents, or those he supposed to be adherents, of Shabbethai Ẓebi. Of these controversies the most celebrated was that with Jonathan Eybeschütz, who in Emden's eyes was a convicted Shabbethaian. The controversy lasted several years, continuing even after Eybeschütz's death. Emden's assertion of the heresy of his antagonist was chiefly based on the interpretation of some amulets prepared by Eybeschütz, in which Emden professed to see Shabbethaian allusions (see EybeschÜtz, Jonathan). Hostilities began before Eybeschütz left Prague; when Eybeschütz was named chief rabbi of the three communities of Altona, Hamburg, and Wandsbeck (1751), the controversy reached the stage of intense and bitter antagonism. Emden maintained that he was at first prevented by threats from publishing anything against Eybeschütz. He solemnly declared in his synagogue the writer of the amulets to be a Shabbethaian heretic and deserving of excommunication.

The majority of the community favoring Eybeschütz, the council condemned Emden as a calumniator. People were ordered, under pain of excommunication, not to attend Emden's synagogue, and he himself was forbidden to issue anything from his press. As Emden still continued his philippics against Eybeschütz, he was ordered by the council of the three communities to leave Altona. This he refused to do, relying on the strength of the king's charter, and he was, as he maintained, relentlessly persecuted. His life seeming to be in actual danger, he left the town and took refuge in Amsterdam (May, 1751), where he had many friends and where he joined the household of his brother-in-law, Aryeh Löb b. Saul, rabbi of the Ashkenazic community. Emden's cause was subsequently taken up by the court of King Frederick of Denmark, and on June 3, 1752, a judgment was given in favor of Emden, severely censuring the council of the three communities and condemning them to a fine of one hundred thalers. Emden then returned to Altona and took possession of his synagogue and printing-establishment, though he was forbidden to continue his agitation against Eybeschütz. The latter's partizans, however, did not desist from their warfare against Emden. They accused him before the authorities of continuing to publish denunciations against his opponent. One Friday evening (July 8, 1755) his house was broken into and his papers seized and turned over to the "Ober-Präsident," Von Kwalen. Six months later Von Kwalen appointed a commission of three scholars, who, after a close examination, found nothing which could inculpate Emden.

Emden was undoubtedly very quick-tempered and of a jealous disposition. The truth or falsity of his denunciations against Eybeschütz can not be proved, but the fact remains that he quarreled with almost all his contemporaries. He considered that every man who was not for him was against him, and attacked him accordingly. Still, he seems to have enjoyed a certain authority, even among the Polish rabbis, the majority of whom sided with Eybeschütz, and had once even excommunicated Emden upon the initiative of Ḥayyim of Lublin (1751). Thus in 1756 the members of the Synod of Constantinov applied to Emden to aid in repressing the Shabbethaian movement. As the Shabbethaians referred much to the Zohar, Emden thought it wise to examine that book, and after a careful study he concluded that a great part of the Zohar was the production of an impostor (see "Miṭpaḥat Sefarim").

Emden's works show him to have been possessed of critical powers rarely found among his contemporaries, who generally took things for granted. He was strictly Orthodox, never deviating the least from tradition, even when the difference in time and circumstance might have fairly been regarded as warranting a deviation from the old custom. In 1772 the Duke of Mecklenburg-Schwerin having issued a decree forbidding burial on the day of death, the Jews in his territories approached Emden with the request that he demonstrate from the Talmud that a longer exposure of a corpse would be against the Law. Emden referred them to Mendelssohn, who had great influence with Christian authorities; but as Mendelssohn agreed with the ducal order, Emden wrote to him and urged the desirability of opposing the duke if only to remove the suspicion of irreligiousness he (Mendelssohn) had aroused by his associations.

Emden was a very prolific writer; his works fall into two classes, polemical and rabbinical. Among the former are:

Torat ha-Ḳena'ot, a biography of Shabbethai Ẓebi, and criticisms of Nehemiah Ḥayyon, Jonathan Eybeschütz, and others. Amsterdam, 1752.

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See also:

http://www.jewishencyclopedia.com/view.jsp?artid=341&letter=E

http://wiki.geni.com/index.php/Jewish_Dynasties

--


Biography[edit] Until seventeen, Emden studied Talmud under his father Tzvi Ashkenazi, a foremost rabbinic authority, first at Altona, then at Amsterdam (1710–1714). In 1715 Emden married Rachel, daughter of Mordecai ben Naphtali Kohen, rabbi of Ungarisch-Brod, Moravia, and continued his studies in his father-in-law's yeshivah.[4] Emden became well versed in all branches of Talmudic literature; later he studied philosophy, kabbalah, and grammar, and made an effort to acquire the Latin and Dutch languages, in which, however, he was seriously hindered by his belief that a Jew should occupy himself with secular sciences only during the hour of twilight.[4] He was opposed to philosophy and maintained that the views contained in The Guide for the Perplexed could not have been authored by Maimonides, but rather by an unknown heretic.[2]

Emden spent three years at Ungarisch-Brod, where he held the office of private lecturer in Talmud. Later he became a dealer in jewelry and other articles, an occupation which compelled him to travel.[4] He generally declined to accept the office of rabbi, though in 1728 he was induced to accept the rabbinate of Emden, from which place he took his name.[4]

In 1733 Emden returned to Altona, where he obtained the permission of the Jewish community to possess a private synagogue. Emden was at first on friendly terms with Moses Hagis, the head of the Portuguese-Jewish community at Altona, who was afterward turned against Emden by some calumny. His relations with Ezekiel Katzenellenbogen, the chief rabbi of the German community, were strained from the very beginning. Emden seems to have considered every successor of his father as an intruder.[4]

A few years later Emden obtained from the King of Denmark the privilege of establishing at Altona a printing-press. He was soon attacked for his publication of the siddur (prayer book) Ammudei Shamayim, being accused of having dealt arbitrarily with the text. His opponents did not cease denouncing him even after he had obtained for his work the approbation of the chief rabbi of the German communities.[4]

Sabbatean controversy[edit] Part of a series on Kabbalah 10 Sephirot Concepts[show] History[show] Practices[show] People[show] Role[show] v t e Emden accused Jonathan Eybeschütz of being a secret Sabbatean. The controversy lasted several years, continuing even after Eybeschütz's death. Emden's assertion of Eybeschütz's heresy was chiefly based on the interpretation of some amulets prepared by Eybeschütz, in which Emden saw Sabbatean allusions. Hostilities began before Eybeschütz left Prague, and in 1751, when Eybeschütz was named chief rabbi of the three communities of Altona, Hamburg, and Wandsbek, the controversy reached the stage of intense and bitter antagonism. Emden maintained that he was at first prevented by threats from publishing anything against Eybeschütz. He solemnly declared in his synagogue the writer of the amulets to be a Sabbatean heretic and deserving of excommunication. In Megillat Sefer, he even accuses Eybeschütz of having an incestuous relationship with his own daughter, and of fathering a child with her.

The majority of the community, including R. Aryeh Leib Halevi-Epstein of Konigsberg, favored Eybeschütz; thus the council condemned Emden as a slanderer. People were ordered, under pain of excommunication, not to attend Emden's synagogue, and he himself was forbidden to issue anything from his press. As Emden still continued his philippics against Eybeschütz, he was ordered by the council of the three communities to leave Altona. This he refused to do, relying on the strength of the king's charter, and he was, as he maintained, relentlessly persecuted. His life seeming to be in actual danger, in May 1751 he left the town and took refuge in Amsterdam, where he had many friends and where he joined the household of his brother-in-law, Aryeh Leib ben Saul, rabbi of the Ashkenazic community.

Emden's cause was subsequently taken up by the court of Frederick V of Denmark, and on June 3, 1752, a judgment was given in favor of Emden, severely censuring the council of the three communities and condemning them to a fine of one hundred thalers. Emden then returned to Altona and took possession of his synagogue and printing-establishment, though he was forbidden to continue his agitation against Eybeschütz. The latter's partisans, however, did not desist from their warfare against Emden. They accused him before the authorities of continuing to publish denunciations against his opponent. One Friday evening (July 8, 1755) his house was broken into and his papers seized and turned over to the "Ober-Präsident," Von Kwalen. Six months later Von Kwalen appointed a commission of three scholars, who, after a close examination, found nothing, which could incriminate Emden.

The truth or falsity of his denunciations against Eybeschütz cannot be proved; Gershom Scholem wrote much on this subject, and his student Perlmutter devoted a book to proving it. According to historian David Sorkin, Eybeschütz was probably a Sabbatean,[5] and Eybeschütz's son openly declared himself to be a Sabbatean after his father's death.

Other notable events[edit]

Letter of Jacob Emden to the King of Denmark, August 20, 1743 In 1756 the members of the Synod of Constantinov applied to Emden to aid in repressing the Sabbatean movement. As the Sabbatean referred much to the Zohar, Emden thought it wise to examine that book, and after a careful study he concluded that a great part of the Zohar was the production of an impostor.[6]

Emden's works show him to have been possessed of critical powers rarely found among his contemporaries. He was strictly Orthodox, never deviating the least from tradition, even when the difference in time and circumstance might have warranted a deviation from custom. Emden's opinions were often viewed as extremely unconventional from the perspective of strictly traditional mainstream Judaism, though not so unusual in more free-thinking Enlightenment circles. Emden had friendly relations with Moses Mendelssohn, founder of the Haskalah movement, and with a number of Christian scholars.[7]

In 1772 the Duke of Mecklenburg-Schwerin, having issued a decree forbidding burial on the day of death, the Jews in his territories approached Emden with the request that he demonstrate from the Talmud that a longer exposure of a corpse would be against the Law. Emden referred them to Mendelssohn, who had great influence with Christian authorities; but as Mendelssohn agreed with the ducal order, Emden wrote to him and urged the desirability of opposing the duke if only to remove the suspicion of irreligiousness he (Mendelssohn) had aroused by his associations.

Views on the spread of monotheism[edit] Emden was a traditionalist who responded to the ideals of tolerance being circulated during the 18th-century Enlightenment. He stretched the traditional inclusivist position into universal directions.[8] Believing, like Maimonides, that Christianity and Islam have important roles to play in God's plan for mankind, he wrote:

We should consider Christians and Moslems as instruments for the fulfilment of the prophecy that the knowledge of God will one day spread throughout the earth. Whereas the nations before them worshipped idols, denied God's existence, and thus did not recognize God's power or retribution, the rise of Christianity and Islam served to spread among the nations, to the furthest ends of the earth, the knowledge that there is One God who rules the world, who rewards and punishes and reveals Himself to man.

In a remarkable apology for Christianity, he wrote that that the original intention of Jesus, and especially of Paul, was to convert only the Gentiles to the Seven Laws of Noah and to let the Jews follow the Mosaic law.[9] Emden praised the ethical teachings of the founder of Christianity, considering them as being beneficial to the Gentiles by removing the prevalence of idolatry and bestowing upon them a "moral doctrine."[1][10] Emden also suggested that ascetic Christian practices provided additional rectification of the soul in the same way that Judaic commandments do.[1]

Stance on polygamy and concubines[edit] In his responsum, Emden theoretically advocated the taking of a pilegesh (concubine) by a scholar since the Rabbis stated that "the greater the man, the greater his evil inclination." He collected many Talmudic and medieval examples from Judaic literature that support such behavior.[11] Although he never put his theories into practice, he criticised the institution of obligatory matrimony and suggested that it is permissible for a Jew to cohabit freely with a single Jewish woman or even with several women without marriage, or as an addition to the legal wife. He wished to revoke the ban on polygamy instituted by Rabbeinu Gershom as he believed it erroneously followed Christian morals, but admitted he did not have the power to do so.[2]

Published works[edit] 'Edut be-Ya'aḳov, on the supposed heresy of Eybeschütz, and including Iggeret Shum, a letter to the rabbis of the "Four Lands." Altona, 1756. Shimmush, comprising three smaller works: Shoṭ la-Sus and Meteg la-Hamor, on the growing influence of the Shabbethaians, and Sheveṭ le-Gev Kesilim, a refutation of heretical demonstrations. Amsterdam, 1758–62. Shevirat Luḥot ha-Aven, a refutation of Eybeschütz's "Luḥot 'Edut." Altona, 1759. Seḥoḳ ha-Kesil, Yeḳev Ze'ev, and Gat Derukah, three polemical works published in the "Hit'abbeḳut" of one of his pupils. Altona, 1762. Miṭpaḥat Sefarim, in two parts: the first part showing that part of the Zohar is not authentic but a later compilation; the second, a criticism on "Emunat Ḥakamim" and "Mishnat Ḥakamim," and other seforim and polemical letters addressed to the rabbi of Königsberg. Altona, 1761–68. Ḥerev Pifiyyot, Iggeret Purim, Teshubot ha-Minim, and Zikkaron be-Sefer, on money-changers and bankers (unpublished). Leḥem Shamayim, a commentary on the Mishnah, with a treatise in two parts, on Maimonides' "Yad," Bet ha-Beḥirah. Altona, 1728; Wandsbeck, 1733. Iggeret Biḳḳoret, responsa. Altona, 1733. She'elat Ya'abeẓ, a collection of 372 responsa. Altona, 1739–59. Siddur Tefillah, an edition of the ritual with a commentary, grammatical notes, ritual laws, and various treatises, in three parts: Bet-El, Sha'ar ha-Shamayim, and Migdal 'Oz. It also includes a treatise entitled Eben Boḥan, and a criticism on Menahem Lonzano's "'Avodat Miḳdash," entitled Seder Abodah. Altona, 1745–48. 'Eẓ Avot, a commentary to Avot, with Leḥem Neḳudim, grammatical notes. Amsterdam, 1751. Sha'agat Aryeh, a eulogy for his brother-in-law Aryeh Leib ben Saul, the rabbi of Amsterdam. Amsterdam, 1755. This was also included in his Ḳishshurim le-Ya'aḳov. Seder 'Olam Rabbah ve-Zuṭa, the two Seder 'Olam and the Megillat Ta'anit, edited with critical notes. Hamburg, 1757. Mor u-Ḳeẓi'ah, novellæ on the Oraḥ. Ḥayyim (the novellæ on the Yoreh De'ah, Even ha'Ezer, and Hoshen Mishpat of Mor u-Ḳeẓi'ah – unpublished) Ẓiẓim u-Feraḥim, a collection of kabalistic articles arranged in alphabetical order. Altona, 1768. Luaḥ Eresh, grammatical notes on the prayers, and a criticism of Solomon Hena's "Sha'are Tefillah." Altona, 1769. Shemesh Ẓedaḳah. Altona, 1772. Pesaḥ Gadol, Tefillat Yesharim, and Ḥoli Ketem. Altona, 1775. Sha'are 'Azarah. Altona, 1776. Divre Emet u-Mishpaṭ Shalom (n. d. and n. p.). Megillat Sefer, containing biographies of himself and of his father. Warsaw 1897 Kishshurim le Ya'akob, collection of sermons. Marginal novellæ on the Babylonian Talmud. His unpublished rabbinical writings are the following:

Ẓa'aḳat Damim, refutation of the blood accusation in Poland. Halakah Pesuḳah. Hilketa li-Meshiḥa, responsum to R. Israel Lipschütz. Mada'ah Rabbah. Gal-'Ed, commentary to Rashi and to the Targum of the Pentateuch. Em la-Binah, commentary to the whole Bible. Em la-Miḳra we la-Masoret, also a commentary to the Bible. References[edit] ^ Jump up to: a b c d e

About Yaakov Israel Emden [Ya'avetz] (Ashkenazi s#5) (עברית)

רבי יעקב ישראל עמדן (1698 - 1776), מגדולי הרבנים במאה ה-18. נודע בקיצור בכינוי - יעב"ץ, כלומר יעקב בן צבי.

רבי יעקב נולד באלטונה שבגרמניה בט"ו בסיון ה'תנ"ח לאביו רבי צבי הירש אשכנזי, הידוע בכינויו "חכם צבי". נישא בשנת ה'תע"ו לנכדתו של רבי נפתלי כ"ץ והתגורר בברסלאו. בשנת ה'תפ"ח הוזמן לשבת על כס הרבנות בעיר אמדן, שממנה קיבל את שם משפחתו "עמדן", או "עמדין". עקב תקיפות אופיו ומתוך שאיפתו להיות בלתי תלוי בדעת האחרים, הוא התפטר כעבור ארבע שנים ממשרת הרבנות, והשתקע בעיר מולדתו אלטונה, פתח בית דפוס עברי, שלח ידו במסחר, וסירב לכהן ברבנות עד סוף ימיו. בספרו הוא מספר (כנראה בהלצה) שנהג לברך כל יום "ברוך שלא עשני אב"ד". עסקי פרנסתו לא מנעוהו מלעסוק בתורה, ואת מיטב עתותיו הקדיש למחקריו ולחיבוריו, שהוציאו לו מוניטין כאחד מגדולי החכמים בדורו.

ההתנגדות לשבתאות ומאבקו ברבי יהונתן אייבשיץ

רבי יעקב עמדן היה ממובילי מסע ההתנגדות לשבתאות, ולחם בתקיפות בכל מה שראה בו סטייה שבתאית. סכסוך קשה על רקע זה פרץ בינו ובין רבי יהונתן אייבשיץ, שעסק בקבלה והיה ידוע כעושה נפלאות וככותב קמעות. כשבא לידו אחד הקמעות של רבי יהונתן אייבשיץ, הוא פיענח את הכתוב בו וטען שיש בו רמזים לאמונה בשבתי צבי. עמדן יצא בהאשמות גלויות נגד רבי יהונתן אייבשיץ, וגרם לפולמוס חריף וממושך בין תומכיו לבין תומכי הרב אייבשיץ. במהלך המאבק נאלץ רבי יעקב לעזוב את אלטונה לאמסטרדם, ורק לאחר התערבותו של המלך פרידריך החמישי חזר לאלטונה. בסופו של פולמוס זה, שעורר ויכוחים קשים בין רבני גרמניה, פולין, צרפת, הולנד וארצות אירופה אחרות, והדיו נשמעים גם היום, מקובל בקרב היהדות האורתודוקסית כי רבי יהונתן אייבשיץ לא היה שבתאי. לעומת זאת, במחקר מקובלות דעות שונות, כי רבי יעקב צדק בחשדותיו.

בנוסף, הצטרף למאבקו של ידידו, רבי משה חגיז, בפולמוסו עם הרמח"ל.

חיבוריו

מלבד חוברותיו הרבות בעניין הפולמוס עם אייבשיץ, חיבר רבי יעקב עמדן למעלה מארבעים ספרים בכל מקצועות התורה.

הנודעים שבהם:

   * לחם שמים - פירוש על המשנה.
   * מטפחת ספרים - מחקרים על ספר הזוהר.
   * ציצים ופרחים - בענייני קבלה.
   * שאילת יעב"ץ - שאלות ותשובות בהלכה.
   * מור וקציעה, חלק א' וחלק ב' - פירושים וחידושים על שולחן ערוך אורח חיים.

חיבר גם הגהות לאחדות ממסכתות התלמוד. הדפיס גם סידור לתפילות כל ימות השנה בצירוף כל הדינים והמנהגים הקשורים בהן.

חשיבות היסטורית נודעת לספרו של רבי יעקב עמדן, בשם "מגילת ספר", אשר בו הרצה את תולדות חייו ותיאר את הפולמוס הגדול שהרעיש את עולם היהדות בזמנו. בחיבור אוטוביוגרפי יוצא דופן זה מתאר עמדן גם עניינים אינטימיים, מתשוקות נעורים ועד בעיות כוח גברא. הוא רומז שאת אשתו השנייה לא אהב כראשונה, שממותה לא התאושש.

בספר זה הוא מתאר גם את התעסקותו בלימודי מדעים ותחומי עניין נוספים כמדע המדינה, לימוד שפות והיסטוריה, ויש חוקרים המחשיבים אותו בשל כך כאחד ממבשרי ההשכלה בקרב יהדות גרמניה. יחסו ללימודי החול הללו היה מסויג. הוא התיר לעסוק בהם על מנת להשתוות לרמת ידיעותיהם של המלומדים הלא יהודים, אך עם זאת יצא בחריפות כנגד לימודי הפילוסופיה שהוא ראה ביחסם הביקורתי לעיקרי הדת איום על האמונה המסורתית.

בכתביו באה לידי ביטוי מגמה נוספת האופיינית לתקופתה של תנועת ההשכלה, והיא הקריאה לסובלנות בין בני הדתות השונות: הנצרות, היהדות והאסלאם, והדגשת המקור המשותף שלהן.

רבי יעקב נפטר באלטונה בל' בניסן ה'תקל"ו.

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Yaakov Israel Emden [Ya'avetz] (Ashkenazi s#5)'s Timeline

1697
June 4, 1697
Emden, Lower Saxony, Germany
1700
1700
- 1710
Age 2
Altona (Hamburg), Germany
1710
1710
- 1714
Age 12
Amsterdam, Netherlands
1715
1715
- 1728
Age 17
Ungarish-Brod, Moravia, Czech Republic
1717
1717
Age 19
Broda
1718
1718
- 1721
Age 20
Uherský Brod, Moravia, Czechoslovakia
1721
1721
- 1728
Age 23
Moravia, Czechoslovakia
1723
1723
Age 25
Hamburg, Hamburg, Germany
1728
1728
- 1733
Age 30
Emden, Germany