The Bavli records in many places the existence of demons, and answers to this question cite rishonim and acharonim who take this seriously. Pesachim 112b relates a story in which demons are ...
Bavli P'sachim 112:2 has a story of an angel of destruction who would work daily (see Rashash) until asked to quit. When she requested some time to work, the rabbi she was talking with allowed her ...
Pesachim 8A (link) says: R. Elazar taught that harm will not befall a Shali'ach (someone on the way to do a) Mitzvah! That is a short excerpt from a discussion about being protected when doing a ...
Pesachim 112b relates a story about demons. The queen of demons (with a large army) used to be permitted to wreak havoc at will (which is a separate question), until one day when she encountered R. ...
Bavli, P'sachim 112:1: ת״ר לא ישתה אדם מים לא מן הנהרות ולא מן האגמים בלילה ואם שתה דמו בראשו מפני הסכנה מאי סכנה סכנת שברירי ואי צחי מאי תקנתיה אי איכא איניש בהדיה לימא ליה פלניא בר פלנתא צחינא ...
I had asked what is the source for the segulah of having relations twice in order to have a boy. I first asked this in order to obtain a source to better ask this question. The Gemorah says in Niddah ...