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.

这是最好的时代，这是最坏的时代。

写作是一种不被干扰的说话方式。

Farmers are the original environmentalists; we must support their work.