خُذِ الْعَفْوَ وَأْمُرْ بِالْعُرْفِ وَأَعْرِضْ عَنِ الْجَاهِلِينَ
Show forgiveness, enjoin what is good, and turn away from the foolish. [7:199]
A man came to Umar RA and said, “O Son of Khattab, you neither bestow much on us nor deal with us justly.” Umar RA got angry and was about to hit him when a companion said: “O Leader of the Believers, Allah said to the Prophet SAW: [and he recited 7:199]. This one is from the ignorant“. Upon hearing this Umar RA became motionless in his seat.