能够容忍你无知的人，可称之为真正的朋友。

I'm just a kid who's four, each day I grow some more.

The future of forestry lies in technology, but it must serve nature, not exploit it.

通往哲学的第一步是怀疑。

Psychology should be the science of mental life, both of its phenomena and of their conditions.

"The joy of discovery is certainly the liveliest that the mind of man can ever feel."

追求科学不仅仅是关于发现；它是关于理解我们周围的世界并使其变得更美好。

The good life is not one immune to sadness, but one in which suffering contributes to our development.