Narrated Abu Huraira: The Prophet said, "There is no Tiyara and the best omen is the Fal," Somebody said, "What is the Fal, O Allah's Apostle?" He said, "A good word that one of you hears (and takes as a good omen).
Hadith Referenceصحيح البخاري / كتاب الطب / 5755
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة
Narrated Anas: The Prophet said, "No 'Adha (no contagious disease is conveyed to others without Allah's permission), nor Tiyara, but I like the good Fal, i.e., the good word."
Hadith Referenceصحيح البخاري / كتاب الطب / 5756
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة