The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.

We are going to die, and that makes us the lucky ones. Most people are never going to die because they are never going to be born.

粮食安全的未来就在波涛之下，我们必须负责任地养殖。

历史学家是反向的先知。