10

It's apparently an oral tradition relating to one of the students of the Vilna Gaon, Rabbi Yisrael of Shklov. The more complete story is recounted here in Hebrew. It begins like this: הגאון רבי ישראל משקלוב מספר, על תלמיד מתלמידי הגר"א, שבא לקבל פני רבו בחול המועד סוכות, וביקש מרבו כי יעמידו במבחן על כל מסכתא דסוכה על פה. היה זה אחר שקודם החג עורר הגאון ...


7

In the Gra's commentary on Isaiah 11:1 (Mosad HaRav Kook ed.), he writes: ויצא חטר מגזע ישי. אמרו במדרש שבפסוק "וירק את חניכיו" שהם רמ"ח אברים וע' כחות The Gra also enumerated these 70 kochot, as brought here. Footnote 3 refers as well to ליקוטי הגר"א מכת"י למשלי א,ד and the introduction to Pe'at ha-Shulchan who cites the two beneficial things that ...


3

I really liked Artscroll's "The Vilna Gaon: The Life and Teachings of Rabbi Eliyahu the Gaon of Vilna" by Betzalel Landau. "The Vilna Gaon: The Story of Rabbi Eliyahu Kramer" by Yaacov Dovid Shulman is another solid option (although I preferred the Artscroll biography).


3

http://hebrewbooks.org/8360 Author is Rabbi Refael Katz Zatzal


2

First, it is surprising that someone would give a lecture based on the book you mentioned given the many inaccuracies in that book, as enumerated here and here. For more accurate information about the Vilna Gaon, it would be better to look at Aliyot Eliyahu or R. Betzalel Landau's Ha-Gaon He-Chasid mi-Vilna. Immanuel Etkes' book, while not a full biography, ...


1

So the following is not regarding a Torah insight from something like an angel. But if a person receives a Torah insight through siyata dishmaya, namely G-d plants a Torah idea in his head he shouldn't ignore it. The Sefer Chasidim 530 writes: וכל מי שגלה לו הקב"ה דבר ואינו כותבה ויכול לכתוב הרי גוזל מי שגלה לו כי לא גלו לו אלא לכתוב דכתיב (תהלים כה יד)...


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