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Achai Gaon

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Title: Achai Gaon  
Author: World Heritage Encyclopedia
Language: English
Subject: Geonim, Halachot Gedolot, Simeon Kayyara, Ahai, Exponents of Jewish law
Collection: 8Th-Century Rabbis, Exponents of Jewish Law, Geonim, Year of Birth Unknown, Year of Death Unknown
Publisher: World Heritage Encyclopedia

Achai Gaon

For the Savora sage, see Ahai.
Rabbinical Eras

Achai Gaon (also known as Ahai of Sabha or Aha of Sabha, Hebrew: רב אחא [אחאי] משַבָּחָא) was a leading scholar in the period of the Geonim, an 8th-century Talmudist of high renown. He enjoys the distinction of being the first rabbinical author known to history after the close of the Talmud.[1] As he never actually became the Gaon of either of the two academies, the description "Gaon" attached to his name is a misnomer.


  • Life 1
  • Aḥa's Sheiltot 2
  • Editions 3
  • Jewish Encyclopedia bibliography 4
  • See also 5
  • References 6


The gaon of Pumbedita having died, Aḥa was universally acknowledged to be the fittest man to succeed him. But a personal grudge entertained by the exilarch Solomon bar Ḥasdai induced the latter to pass over Aḥa, and to appoint Natronai ben Nehemiah, Aḥa's secretary, a man considerably his inferior in learning and general acquirements. Highly incensed at this slight, the eminent scholar left Babylonia and settled in Palestine, about 752-753, where he remained until his death. Notwithstanding Steinschneider (Cat. Bodl. s.v.), who erroneously assigns 761 as the year, the exact date of his demise is unknown.

It must have been in Israel that Aḥa wrote his book entitled שאלתות ("Quæstiones" in the sense of disquisitions), as the title evinces; for this Aramaic word is employed in the sense of quæstio (the scientific investigation of a matter) by the Jews of Israel only (Shab. 30a). "Sheilta" is of Palestinian origin, as is shown by the words buẓina and bisha, which accompany it. S. Mendelsohn is quite correct in his explanation of the term (Rev. Ét. Juives, xxxii. 56). If, therefore, Simeon Kayyara made use of the "Sheiltot" in his Halakhot Gedolot, as is now certain, the statement of Abraham ibn Daud (according to whom Simeon's work was completed in 750) must be erroneous, since Aḥa did not leave Palestine before 752; and we know that Samuel Gaon, whose successor he was to have become, did not die before 751-752. There are also other evidences of Palestinian influence in Aḥa's work. For example, his treatise indicates that besides the Babylonian Talmud (which, in the nature of things, was his chief authority) he made frequent use of the Yerushalmi,[2] and of Palestinian Midrashim, Leviticus Rabbah, Ecclesiastes Rabbah, and Tanḥuma, all of which at this time were quite unknown in Babylonia (indeed, even Saadia Gaon, almost two hundred years later, knew comparatively little of them).

Aḥa's Sheiltot

The Sheiltot, also known as Sheiltot d’Rav Achai or Sheiltos, is a collection of homilies (at once learned and popular) on Jewish law and ethics. The whole character of the "Sheiltot" is Palestinian; and, as such, they are quite distinct from the contemporary synopses of Yehudai Gaon and Simeon Kayyara, which confine themselves to important decisions of the Talmud, with the omission of all discussions, and with the addition of short elucidations of words.

Aḥa's method is quite different from that of the Babylonian rabbis, who, caring little for the instruction of the common people, wrote scholastically. The Sheiltot, on the contrary, were written for thoughtful laymen. Aḥa's treatises upon Biblical and rabbinical precepts, numbering 190 or 191 (see Mendelsohn, l.c. 59), with additions from later writers, were written with special reference to the practice of such moral duties as benevolence, love, respect for parents, and love of truth. They are based upon the order of the parashot, the weekly readings from the Law.

The beginning of the fourth "Sheilta," which is based upon the weekly lesson on "Noah," may serve as a specimen of the "Sheiltot." Stealing or robbery was explicitly forbidden to the Israelites; and the divine punishment for the transgression of this command is more severe than for other crimes. Thus, it is found that in the history of Noah, those of the generation of the Deluge suffered their hard fate solely on account of their violence, as it is said (Gen. vi. 13), "The end of all flesh is come before me; for the earth is filled with violence through them." This moral condemnation is elaborated by Aḥa, who quotes from the Talmud and Midrash many passages concerning the baseness and godlessness of such crimes. He follows this statement—preceded by the introductory formula, "It is, however, questionable" (Beram ẓarik)—with casuistic inquiries; as, for example, whether it is proper to include in the designation of robbery, for which the Law ordains a twofold restitution, the case of a theft committed in the interest of the victim.

This illustration serves to show that the work is not intended for scholars alone, but also for popular instruction; and that the statement, so often repeated since the time of Meiri, that the Sheiltot was a book merely for the instruction of youth, is also baseless. It is more probable that it is a collection of haggadic-halakic sermons, which Aḥa delivered in Palestine, where certainly he was held in high regard. With the decline of rabbinical knowledge in Palestine, Aḥa would have found but few pupils for pure halakic instruction; and he therefore endeavored to add haggadic elements to his lectures, in obedience to the general disposition of the Palestinians, who just then favored Haggadah.

This view best explains the word "derashah" (lecture), which occurs about thirty times in the Sheiltot, in connection with the citation of passages from the Talmud. If the supposition be true that the Sheiltot were derived from sermons, they may properly be considered, in the form in which they appear, as extracts or abstracts of such sermons, giving the introduction and the conclusion of the original derashah; while of the derashah proper—which no doubt consisted of haggadic and halakic quotations from Talmud and Midrash—only the heading is mentioned. Considering them as portions of sermons, the frequent repetitions that occur in the Sheiltot are not strange, as this would happen to the best of preachers; while it would be difficult to explain them if they were found in the strictly literary productions of one man. Of course, there can be no certain conclusions concerning the composition of the "Sheiltot" until the manuscript has been examined. The printed text, while it contains much matter of later date, lacks much that, according to older authorities, was formerly included. An accurate edition of the Sheiltot would be very valuable for textual criticism of the Babylonian Talmud, as indeed for Aramaic philology in general, since Aḥa wrote in the Aramaic vernacular.

Aḥa's work very soon won great esteem, and the work Halakot Gedolot, which does not date from the year 750, but belongs to the oldest literature of the gaonic times, copies no less than one hundred and fifty passages from the Sheiltot. Sherira Gaon and his son, Hai Gaon, mention the book by title; and it was likewise freely consulted by Rashi and the author of the Aruk.


(1) The first edition of the "Sheiltot" appeared in Venice, 1546, and was succeeded by the following: (2) An edition with a short commentary by Isaiah Berlin (Dyhernfurth, 1786); (3) another under the title תועפות ראם, with the commentary of Isaac Pardo, Salonica, 1800–01; (4) with an extended commentary by Naphtali Ẓebi Judah Berlin (Wilna, 1861, 1864, 1867), which latter edition contains the commentary of Isaiah Berlin, as well as a number of variant readings taken from a manuscript of the year 1460, and a short commentary by Saul ben Joseph, who probably lived in the first half of the 14th century. Manuscripts of the Sheiltot, but with essential divergences from the printed text, are to be found among the Hebrew manuscripts in the Bibliothèque Nationale, Paris, Nos. 308, 309, and in the Bodleian Library, Oxford, Nos. 539, 540, 1317. In the latter library may be found also the hitherto unprinted commentaries by Solomon ben Shabbethai (541), and Johanan ben Reuben (542). (5) A variorum edition with extensive notes and alternative manuscript readings, along with commentaries from medieval manuscripts, by Samuel K. Mirsky, in five volumes, the final one posthumous, (New York & Jerusalem, 1960-1974).

Jewish Encyclopedia bibliography

  • Reifmann, in Bet Talmud, iii. 26-29, 52-59, 71-79, 108-117;
  • S. Buber, ibid. 209-215;
  • Weiss, Dor, iv. 23-26, and the passages mentioned in the index;
  • A. Harkavy, Studien und Mittheilungen, iv. xxvi. and p. 373;
  • Isaac Halevy, Dorot ha-Rishonim, pp. 193, 211-214, Presburg, 1897;
  • J.L. Rapoport, Bikkure ha-'Ittim, x. 20 et seq.;
  • Fürst, Literaturblatt d. Orients, xii. 313;
  • Steinschneider, Cat. Bodl. No. 4330;
  • A. Jellinek, ḳunṭres ha-Maggid, p. 20, Vienna, 1878;
  • S. Mendelsohn, in Rev. Ét. Juives, xxxii. 56-62.

See also

Full text of the Sheiltot online (Hebrew)


  1. ^  
  2. ^ Louis Ginzberg, in his Geonica, argues that all the alleged quotations from the Jerusalem Talmud can in fact be traced to other sources.
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