Doubt is not a pleasant condition， but certainty is an absurd one.

过去是阴影，未来是梦想。我们拥有的只有现在。

种树的最佳时间是25年前，第二好的时间是今天。

To combat an adversary， become their friend.

"I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish."

成功不仅仅是达到顶峰，而是在攀登的过程中帮助他人。

只要符合自然法则，再奇妙的事情也可能是真实的。