我们必须记住，我们并不是这个星球上唯一重要的物种。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

You have to be able to center yourself at all times. That's what makes a champion.

"A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us."