Jami` at-Tirmidhi 2005
جامع الترمذي#2005SahihAbu Wahb narrated that :'Abdullah bin Al-Mubarak explained good character, and then he said: "It is a smiling face, doing one's best in good, and refraining from harm
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Zubair Ali ZaiIsnaad Sahih
In-book reference: 27:111