I think that one should recognize reality even when one doesn’t like it; indeed, especially when one doesn’t like it.

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

勇敢的人可能不会永远活着，但谨慎的人根本活不下去。

人的欲望和其他激情，本质上是受到他自己控制的；他真正的困难在于，要知道何时需要加以控制，何时不需要。