Jami` at-Tirmidhi 2628
جامع الترمذي#2628SahihNarrated Abu Musa Al-Ash'ari:that the Prophet (ﷺ) was asked: "Which of the Muslims is most virtuous?" He said: "The one from (the harm of) whose tongue and hand (other) Muslims are safe
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 40:23