An event with an important lesson

Imam ‘Ali (May God be pleased with him) once threw an unbeliever to the ground. As he drew his sword to kill him, the unbeliever spat in his face. He released him without killing him. The unbeliever said: “Why did you not kill me?” He replied: “I was going to kill you for the sake of God. But when you spat at me, I became angered and the purity of my intention was clouded by the inclinations of my soul. It is for this reason that I did not kill you.” The unbeliever replied: “If your religion is so pure and disinterested, it must be the truth.” [9]