“应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。”

For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's futures. And we are all mortal.

交换、交易和互换的倾向普遍存在于所有人之中，而在其他动物种族中找不到。

The double helix structure of DNA is one of the most beautiful and elegant structures in all of science.

最好的肥料是农民在田地上的身影。

A wise man said， “Before you speak， let your words pass through three gates. At the first gate， ask yourself， “Is it true？” At the second gate ask， “Is it necessary？” At the third gate ask， “Is it kind？”