Sunnah Hadith
• Guarding the tongue
Authentic
مَنْ كَانَ يُؤْمِنُ بِاللَّهِ وَالْيَوْمِ الآخِرِ فَلْيَقُلْ خَيْرًا أَوْ لِيَصْمُتْ
Man kana yu'minu billahi wal-yawmil-akhiri falyaqul khayran aw liyasmut.
"Whoever believes in Allah and the Last Day, let him speak good or remain silent."
Narrated by: Abu Hurayrah
Sahih Bukhari 6018, Sahih Muslim 47