The relation of patience to iman is like the relation of the head to the body. If the head is chopped off, the body becomes useless. Then he raised his voice and said: Certainly, the one who has no patience has no iman, and patience is like a riding-beast that nevers gets tired
Ali ibn Abi TalibThere is no rest for the person who has envy, and there is no love for the person who has bad manners.
Ali ibn Abi Talib