The true value of a forest goes far beyond its timber.

The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life.

我们每个人都不如我们所有人聪明。

In the midst of winter, I found there was, within me, an invincible summer.

Our existence is defined by the gaze of others.

The most important thing is to be passionate about what you do.

The United States has no permanent enemies, no permanent friends, only permanent interests.

"The world is full of obvious things which nobody by any chance ever observes."