If there is anything you need, I will not be far away.

Technology should serve both efficiency and ethics in mineral extraction.

It is only shallow peoplewho require years to get rid of an emotion. A man who is master of himself, can end a sorrow as easily as he can invent a pleasure.

做出伟大工作的唯一方法是热爱你所做的事情。

Success is not final, failure is not fatal: it is the courage to continue that counts.

Don’t wait for the perfect moment—take the moment and make it perfect.

I always try to stay true to myself and to play the game the right way.

政治没有永恒的朋友，只有永恒的利益。

The best way to predict the future is to invent it.