The future belongs to those who believe in the beauty of their dreams.

The march of science and technology does not imply growing intellectual complexity in the lives of most people. It often means the opposite.

The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

任何牺牲基本自由以换取短暂安全的人，最后既得不到安全也得不到自由。

性格软弱，至多只能做到不犯罪恶，如果还要侈谈高尚的美德，那就是狂妄和大胆了。

最糟糕的失明是不愿看见的人的失明。