你必须成为你希望在世界上看到的改变。

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.

伟大不是环境的结果。事实证明，伟大在很大程度上是一种有意识的选择。

Hard work beats talent when talent doesn't work hard.

人对意义的追寻是他生命中的主要动机。