A mature man is one who is good at turning failure into success.

一个成熟的人是一个善于把失败变为成功的人。

A mature man is holding their own key of happiness, they not hoping other to bring them happiness but they bring it to others.

一个成熟的人握住自己快乐的钥匙，他不期待别人使他快乐，反而能将快乐与幸福带给别人。