Hadith 2

Riyad as-Salihin

Book 17: The Book of the Prohibited actions

Chapter 254

The Prohibition of Backbiting and the Commandment of Guarding one's Tongue

باب تحريم الغيبة والأمر بحفظ اللسان

Riyad as-Salihin 1512
وعن أبي موسى رضي الله عنه قال‏:‏ قلت‏:‏ يا رسول الله أي المسلمين أفضل‏؟‏ قال‏:‏ ‏ ‏‏.‏ ‏(‏‏(‏متفق عليه‏)‏‏)‏‏.‏
"‏من سلم المسلمون من لسانه ويده‏"
Abu Musa Al-Ash'ari (May Allah be pleased with him) reported:

I asked the Messenger of Allah (ﷺ): "Who is the most excellent among the Muslims?" He said, "One from whose tongue and hands the other Muslims are secure."[Al-Bukhari and Muslim].