人类进步的历史很大程度上是气候变化的历史。

最重要的是专注于使命。

A leader does not deserve the name unless he is willing occasionally to stand alone.

Every artist dips his brush in his own soul, and paints his own nature into his pictures.

现在不是去想缺少什么的时候，该想一想凭现有的东西你能做什么。