An idea that is not dangerous is unworthy of being called an idea at all.

As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.

Regret is the poison we drink hoping someone else will die.

只要符合自然法则，再奇妙的事情也可能是真实的。

没有一个明智的飞行员会忘记使用他的清单，无论他的才能和经验有多么出色。