伟大的设计应该解决问题，而不是制造问题。

本当の友情は、困難な時にこそ試される。

解释：看见外表就可以知道内里，看见过去就可以知道未来。

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.

我们越了解自己的偏见，就越能利用它们为自己服务。

Words are, of course, the most powerful drug used by mankind.

In mathematics, the art of proposing a question must be held of higher value than solving it.