The most dangerous phrase in the language is, "We've always done it this way."

不要因为结束而哭泣，微笑吧，为你的曾经拥有。

We must measure success not just in profits, but in impact.

The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.

我们都是遗传继承的马赛克。

The unity of mathematics is not imposed but discovered.