最重要的是保持你的身份，不要试图成为你不是的东西。

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;

Leadership is about making the tough decisions and standing by them.

"The pursuit of knowledge is a lifelong journey with no final destination."

我们所知的物理定律可能只是更大定律集合中的一小部分。

Children have never been very good at listening to their elders, but they have never failed to imitate them.