(44) باب الْفَأْلِ
Narrated Abu Huraira:
The Prophet (ﷺ) said, "There is no Tiyara and the best omen is the Fal," Somebody said, "What is the Fal, O Allah's Messenger (ﷺ)?" He said, "A good word that one of you hears (and takes as a good omen).
Reference: Sahih al-Bukhari 5755
In-book reference: Book 76, Hadith 70
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 71, Hadith 651