I want to liberate America from fear. I want people to feel free to express themselves.

孔子说：“《关雎》这篇诗，快乐却不淫秽，悲哀却不伤痛。”

The truth is always something that is told, not something that is known.

The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

The story of human evolution is far from over.

在科学中最令人兴奋的短语，预示着新发现的不是“我找到了！”，而是“这有点奇怪……”