حَدَّثَنَا هَدَّابُ بْنُ خَالِدٍ، حَدَّثَنَا هَمَّامُ بْنُ يَحْيَى، حَدَّثَنَا قَتَادَةُ، عَنْ أَنَسٍ، أَنَّ نَبِيَّ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ لاَ عَدْوَى وَلاَ طِيَرَةَ وَيُعْجِبُنِي الْفَأْلُ الْكَلِمَةُ الْحَسَنَةُ الْكَلِمَةُ الطَّيِّبَةُ ‏"‏ ‏.‏

Anas reported Allah's Messenger (PBUH) as saying: There is no transitive disease, no divination, but good omen pleases me, i. e. the good word or a good word. Translation Not Available

Book Ref: Sahih Muslim Book 39 Hadith 5519
Web Ref:  Sahih Muslim Book 26 Hadith 2224 a