The degree of slowness is directly proportional to the intensity of memory; the degree of speed is directly proportional to the intensity of forgetting.

Patience and precision are the unsung heroes of scientific progress.

自然权利...是每个人按照自己的意愿，为了保全自己的本性，即自己的生命，而使用自己的力量的自由。

A man should always consider how much he has more than he wants.

最大多数人的最大幸福是道德和立法的基础。