如果你停下来听一个音乐家或街头艺人表演超过一分钟，你就欠他们一美元。

我认为冒险和不害怕失败很重要。

Mathematics is the language in which the universe is written.

The major problems in biology are not solved by new techniques but by new concepts.

I think the best thing you can do is to be grateful for what you have.

效率是把事情做对，效果是做对的事情。