性是存在痛苦的唯一慰藉。

纯粹自然状态的条件...是每个人对每个人的战争状态。

You’ll get 10x better results by elevating good behavior rather than punishing bad behavior， especially in children and animals.

Don't let anyone tell you what you can't do.

I’m not afraid to speak my mind, even if it’s unpopular.

安全不仅仅是一项政策，它是一种生活方式。