question #3 Sahih al-Bukhari 6136, Book 78, Hadith 163 : What is the significance of speaking good or remaining silent for a believer in Allah and the Last Day?

The Prophet (ﷺ) said, “Whoever believes in Allah and the Last Day, should not hurt his neighbor and
whoever believes in Allah and the Last Day, should serve his guest generously and whoever believes
in Allah and the Last Day, should speak what is good or keep silent.”