When we hate someone, we hate in his image something within ourselves.

I always tell my kids if you lay down, people will step over you. But if you keep scrambling, if you keep going, someone will always, always help you.

The man who listens to Reason is lost: Reason enslaves all whose minds are not strong enough to master her.

可持续性不仅仅是一个流行词；它是我们对后代的责任。

心之外没有事物，心之外没有事情，心之外没有道理。

所有人类行为都有以下七个原因中的一个或多个：机会、自然、强迫、习惯、理性、激情和欲望。

我不完美，但我始终做自己。

行为的目标总是某种驱力或需求的减少。