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).
Sahih al-Bukhari Book 76, Hadith 70
← Previous Hadith I heard Allah's Messenger (ﷺ) saying, "There is no Tiyara, and the best omen is the Fal." They asked, "What is the Fal?" He said, "A good word that one of you hears (and takes as a good omen).

Sahih al-Bukhari Book 76, Hadith 69 Next Hadith → The Prophet (ﷺ) said, "No 'Adwa (no contagious disease is conveyed to others without Allah's permission), nor Tiyara, but I like the good Fal, i.e., the good word."

Sahih al-Bukhari Book 76, Hadith 71