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;

You have to be willing to fail to succeed.

The destiny of man is in his own soul.

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

The greatest rewards come from working the hardest and not giving up.

Success is not just about winning, it's about never giving up.

The only thing we have to fear is the censor.

心灵这张地图，给我们指引前方的道路，而外貌这张地图，则记录我们走过的路途。这张地图从来都不丑陋。