Hold to forgiveness; command what is right; But turn away from the ignorant.
خُذِ ٱلْعَفْوَ وَأْمُرْ بِٱلْعُرْفِ وَأَعْرِضْ عَنِ ٱلْجَـٰهِلِينَ
Quran 7:199
The same idea in other traditions
A soft answer turneth away wrath: but grievous words stir up anger.
A soft answer turneth away wrath; But a grievous word stirreth up anger.
Let us live happily then, not hating those who hate us! among men who hate us let us dwell free from hatred!
The Master said, "Specious words confound virtue. Want of forbearance in small matters confounds great plans."
By conquering anger he obtains patience; he acquires no Karman productive of anger, and destroys the Karman he had acquired before.
One who is not affected by pleasure or pain, who looks upon friend and enemy alike - says Nanak, listen, mind: know that such a person is liberated.
When Bāyazīd was coming from his bath one morning during the Id festival, some one unwittingly emptied a tray of ashes from a window upon his head. With his face and turban all bespattered, he rubbed his hands in gratitude and said: “I am in truth worthy of the fires of hell; why should I be angered by a few ashes?” …
That devotee of mine, who hates no being, who is friendly and compassionate, who is free from egoism, and from (the idea that this or that is) mine, to whom happiness and misery are alike, who is forgiving, contented, constantly devoted, self-restrained, and firm in his determinations, and whose mind and understanding are devoted to me, he is dear to me.