On the day that every soul shall find present what it has done of good and what it has done of evil, it shall wish that between it and that (evil) there were a long duration of time; and Allah makes you to be cautious of (retribution from) Himself; and Allah is Compassionate to the servants.

And he went into the city at a time of unvigilance on the part of its people, so he found therein two men fighting, one being of his party and the other of his foes, and he who was of his party cried out to him for help against him who was of his enemies, so Musa struck him with his fist and killed him. He said: This is on account of the Shaitan's doing; surely he is an enemy, openly leading astray.