相信自己，相信你所拥有的一切。

Certainty of evidence does not lead to certainty of belief.

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.

有道德的人能够反思自己过去的行为及其动机。