指某些秘密或天意不能随意透露。

我们相信平凡的勇敢行为，相信那种驱使一个人为另一个人站出来的勇气。

The present state of the system of nature is evidently a resultant 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.

意识的元素要根据其属性分类。

数学的美在于它让我们无需离开椅子就能探索宇宙。

你唯一应该超越的人就是昨天的自己。

心是野生动物，它不遵守规则。