儿童的一切教育都必须遵循一个原则，即帮助孩子身心自然的发展。

你能给予他人的最伟大的礼物是你的时间和你的声音。

The reality is: sometimes you lose. And you're never too good to lose. You're never too big to lose. You're never too smart to lose. It happens.

I think it would be a disaster. The extraterrestrials would probably be far in advance of us. The history of advanced races meeting more primitive people on this planet is not very happy, and they were the same species. I think we should keep our heads low.

Efficiency in grain production isn't an option—it's a necessity.