No man really knows about other human beings. The best he can do is to suppose that they are like himself.

The future of energy lies in a diversified mix that includes both traditional and renewable sources.

过去是幽灵，未来是梦，现在只是转瞬即逝的瞬间。

He who refuses to do arithmetic is doomed to talk nonsense.

成功就是能够从一个失败走向另一个失败而不丧失热情。