矿工的安全永远不应该用成本效益分析来衡量。
慈祥的母亲大多都有着败家的儿女,这是因为他们不忍心强加管教子女的缘故。
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.
Success is relative: It is what we can make of the mess we have made of things.
自由不是任何人可以给予的东西。自由是人们夺取的,人们有多想要自由,就有多自由。
Don't watch the clock; do what it does. Keep going.
我知道你是来杀我的。开枪吧,懦夫,你只是要杀一个人。