A man’s discontent is his worst evil

Similar sayings:

Mankind fears an evil man but heaven does not Mankind fears an evil man but heaven does not
Virtuous for ten years is still not enough; evil for one day is too much already Virtuous for ten years is still not enough; evil for one day is too much already
If you have never done anything evil, you should not be worrying about devils knocking at your door If you have never done anything evil, you should not be worrying about devils knocking at your door
For the sake of one good action, a hundred evil ones should be forgotten For the sake of one good action, a hundred evil ones should be forgotten
A man’s conversation is the mirror of his thoughts A man’s conversation is the mirror of his thoughts

Chinese sayings and proverbs