عَنْ أَبِي هُرَيْرَةَ رضي الله عنه، أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ: «مَنْ كَانَ يُؤْمِنُ بِاللَّهِ وَالْيَوْمِ الْآخِرِ فَلْيَقُلْ خَيْرًا أَوْ لِيَصْمُتْ» English: Abu Hurairah (may Allah be pleased with him) reported that the Messenger of Allah ﷺ said: "Whoever believes in Allah and the Last Day should speak good or remain silent." Source: Sahih al-Bukhari (6475) and Sahih Muslim (47).