同一性的概念并不是我们从经验中学到的概念。

自然将人类置于两位至高无上的主人——痛苦和快乐的统治之下。

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.

Every seed planted is a promise to the future.