Sahih al-Bukhari 5756
Book 76: Medicine · Narrated by Anas
Arabic
حَدَّثَنَا مُسْلِمُ بْنُ إِبْرَاهِيمَ، حَدَّثَنَا هِشَامٌ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ ـ رضى الله عنه ـ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لاَ عَدْوَى وَلاَ طِيَرَةَ، وَيُعْجِبُنِي الْفَأْلُ الصَّالِحُ، الْكَلِمَةُ الْحَسَنَةُ ".
English translation
Narrated Anas: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
Reference: Sahih al-Bukhari 5756, Book of Medicine. English translation by Dr. Muhammad Muhsin Khan.