恐惧只是一道阴影。事实上，你比自己想象的要强大得多。

有史以来最大的发现就是，一个人仅仅改变自己的态度，就能改变他的未来。

孤独是人类的常态。培养它。它在你内心开辟的隧道让你的灵魂有成长的空间。

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.