释义：做事情必须踏踏实实，不要追求浮华的虚名。

Censorship is never over for those who have experienced it. It is a brand on the imagination that affects the individual who has suffered it, forever.

审判自己比审判别人难多了，如果你正确地审判了自己，那么你就是一个真正的智者了。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

You cannot not know history.

The past is never dead. It's not even past.

Theorems are the permanent literature of mathematics.