Jami` at-Tirmidhi 2373
جامع الترمذي#2373SahihAbu Hurairah narrated that the Messenger of Allah (s.a.w) said:"Richness is not having many possessions, but richness is being content with oneself
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 MaaroufHasan Sahih
Zubair Ali ZaiSahih - Bukhari And Muslim
In-book reference: 36:70