Learning on the Marcos and Adina Katz YUTorah site is sponsored today by Dr. and Mrs. Naphtali Hoffman in memory of Rabbi Josh (the Hoffer) Hoffman and by The Sammy Farkas Foundation in memory of Sammy Farkas יצחק בן משה דוד and l'ilui nishmas HaChover Shlomo Michoel ben Mayer a"h by his family and by Jill and Daniel Goldstein to mark the tenth yahrzeit of Daniel's father Ivan Goldstein, Yitzchak Leib ben Mordechai HaLevi, on Iyar 10