If you're alive, you've got to flap your arms and legs, you've got to jump around a lot, you've got to make a lot of noise, because life is the very opposite of death.

最终，一个理论的价值不在于它的复杂性，而在于它解释和预测的能力。

幸福是一种心态，而不是一系列环境。

我知道我自己打得像坨屎一样，但你们不知道我为了让自己打得不那么像坨屎，付出了多少努力。

Behavior is governed by the same laws in humans and animals.