If you can't explain it simply, you don't understand it well enough.

预测未来的最好方法就是创造它。

In the middle of difficulty lies opportunity.

只要现在能够停下来休息，那么就立刻停下来休息；如果要等到一切事情都办妥时再停下来，那么这样的时刻永远也不可能等到。

The secret of living is to own a convertible and a lake...If the sun is shining, you can rid around in your convertible and be happy...If it starts to rain, it won't spoil your day because you can just say, 'Oh, well, the rain will fill up my lake!'"”