question #3 Sahih al-Bukhari 5756, Book 76, Hadith 71 : What is the significance of positive speech or good words in Islam?

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.”