The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.

I'm not here to be liked, I'm here to be loved.

Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.

I don't know how to do anything half-way.

有机体本质上是对环境刺激的被动反应者。