One should be satisfied; nothing additional is required.
Synonym: enough is as good as a feast
Especially as an expression of exasperation: the limit of patience or tolerance has been reached.
Synonym: enough is too much
He who knows that enough is enough will always have enough. Laozi
Stop jumping with joy every time a crime happens, Mr Rahul Gandhi. The state has already assured strict and prompt action. You divide the society in every manner possible for electoral gains and then shed crocodile tears. Enough is enough. You are a MERCHANT OF HATE. Rahul Gandhi
Poems seem to have a life of their own. They tell you when enough is enough. Thomas Lynch
When it's time for me to walk away from something, I walk away from it. My mind, my body, my conscience tell me that enough is enough. Jerry West
Women are much stronger than men. When a woman says enough is enough, which means enough is enough. Man will always lie at her feet in the hope of return. I was lying. And somehow happy. Mickey Rourke
Enough is enough and sometimes plenty. American Proverb