To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.

成功绝非偶然。它是努力、坚持、学习、研究、牺牲，最重要的是对你所做事情的热爱。

The past is always a rebuke to the present.

伟大的公司不仅仅是创造利润，它们还创造改变。