The most important quality in a man is courage. Without it, the other qualities are worthless.

复杂性理论告诉我们，并非所有问题都是平等的；有些问题本质上比其他问题更难。

I don't like being defined because music is infinite.

The most important thing is to be able to think, to be able to see, to be able to judge what you see.

成功的关键是在生活的各个方面不断成长——精神上、情感上、灵性上，还有身体上。

化合价的概念是理解化学键的关键。

我认为你不应该觉得自己已经取得了一切成就。