衣食是人们活着的时候所需要的利益,尚且要有一定的节制；埋葬是人们死后所需要的利益,为什么就单单在这里没有节制呢？

数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。

"I'm not going to limit myself just because people won't accept the fact that I can do something else."

The spread of liberal democracy and the integration of the world economy have created a situation in which the only legitimate form of government is one that is based on popular sovereignty and respects basic human rights.

创新不仅仅是创造新产品，更是重新思考如何利用资源来建设可持续的未来。