我热爱我所做的事情，并且充满激情地去做。

翻译：乐其天然而知其命数，所以无所忧愁。

Let us try to teach generosity and altruism, because we are born selfish.

The only learning which significantly influences behavior is self-discovered, self-appropriated learning.

科学不仅与灵性相容；它是灵性的深刻源泉。

I do not believe in God… to the extent that theists have made their concept intelligible， they have given us no reason to think anything answers to it.

Each generation takes the earth as trustees.