Unity is not about uniformity; it's about finding common purpose amid diversity.

你必须愿意失败才能成功。

You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.

In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.

我必须承认，我从来看不出她有什么美丽之处。她的脸太瘦了，她的肤色没有光泽，她的五官一点也不好看。她的鼻子缺乏特色；它的线条上没有任何标志。她的牙齿还过得去，但并不出奇；至于她的眼睛，有时被称为很漂亮，我从来没看出什么非凡之处。

Sometimes we measure things and see that in the short term they actually hurt sales, and we do it anyway.