(411) بَابُ الْفَأْلِ
Anas reported that the Prophet, may Allah bless him and grant himpeace, said, "There is no infection and there are no bad omens, althoughI am pleased by a good omen - a good word."
Reference: Al-Adab Al-Mufrad 913
In-book reference: Book 39, Hadith 7
English translation: Book 39, Hadith 913