富家惯习骄奢，最难教子；寒士欲谋生活，还是读书。
译文：有钱人家习惯了奢侈无度，教导子弟却成了难事；贫穷人家要谋生计，还是要靠读书获得出路。赏析：衣食无忧的家庭虽然能给孩子提供良好的物质条件，但也最容易让孩子养成穷奢极侈的作风。读书也许不是人生唯一的出路，但却是普通人最好走的那条路，这条路成本最低。
I don't believe in playing it safe. I believe in taking risks.
社会主义不是一个可以由政党或政府建立的现成制度。社会主义必须由群众、由每一个无产者来创造。
A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
我深信遇见的每一个人都有他的意义。
我祈祷上天赐予这座房子和所有将来居住在这里的人最好的祝福。愿只有诚实和聪明的人在这个屋顶下统治。
The deeper you go into memory, the less certain you become.
"The greatest tragedy is not the brutality of the bad people, but the silence of the good people."
There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.