The Messenger of Allah ﷺ said, "There is no evil omen, but I am pleased by a good omen."He explained, "A good omen is a fine, pleasant word."
حدثنا وكيع عن شعبة والدستوائي عن قتادة
قال رسول الله ﷺ لا طيرة ويعجبني الفأل قال والفأل الكلمة الحسنة الطيبة
Its isnad is sahih. The hadith was narrated by Bukhari 7/180 in the Book of Medicine, on omens, Muslim 4/1746 no. 2224, Abu Dawud 4/18 no. 3916, and Ibn Majah 2/1170 no. 3537, all in the Book of Medicine.