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.

最伟大的发现来自于提出最简单的问题。

有时看前来像是解决方案比问题多。仔细观瞧，今天的很多问题都是昨天的解决方案带来的结果。