The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.

你想用卖糖水来度过余生，还是想要一个机会来改变世界？

最重要的关系是你与自己的关系。

最好的想法往往来自意想不到的地方——保持开放的心态。

The future belongs to those who see possibilities before they become obvious.