实验室里的失败不是挫折，而是数据。

一切迄今为止社会的历史都是阶级斗争的历史。

缓慢落入友谊，但当你正在进行时，继续保持坚定和不变。

"The only limit to our realization of tomorrow is our doubts of today."

每个人都像月亮，总有一面从不示人。

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.