In the field of diplomacy, there are no absolute victories, only relative victories.

在自然界中，没有东西会消失，没有东西会被创造，一切都在转化。

I would say that in the long run probably Communist China is likely to be in more of an expansionist phase than Soviet Russia...In their tactics, the Chinese Communists are probably the greater menace;

To write is to leave a part of yourself behind.

永远不要停止提问——进步就从那里开始。

心理学家必须不带预设地研究心灵。