宽恕属于受伤者；但作恶者永不宽恕。

The true value of a forest is measured not in board feet, but in biodiversity.

球场上最强大的武器是头脑。

In mathematics, you don't understand things. You just get used to them.

解释：时机未到，就不能勉强行事；行事不探求事理，就不可能达到成功。