'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."
Jami` at-Tirmidhi Book 27, Hadith 111
← Previous Hadith "Taqwa of Allah, and good character." And he was asked about that for which people are admitted into the Fire the most, and he said: " The mouth and the private parts."

Jami` at-Tirmidhi Book 27, Hadith 110 Next Hadith → "I said: 'O Messenger of Allah! I stayed with a man who did not entertain me nor behave hospitably with me. Then he came to stay with me, shall I reciprocate the same to him?' He (ﷺ said: 'No, entertain him." He said: 'He (ﷺ saw me wearing tattered clothes and said:'(Do you have any wealth?' I said: 'Allah has given me various kinds of wealth through camels and goats.' He said: 'Then let it be seen on you.'"

Jami` at-Tirmidhi Book 27, Hadith 112