出自先秦《荀子·哀公》。鸟被逼得走投无路之时就会用嘴啄人，兽到困窘之时就会用爪抓人，人到穷困潦倒之时就会设计骗人。以鸟兽困窘之时的行为为喻，说明人到穷困潦倒之时便会放弃道德操守的原因。

I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish.

"真相是一面镜子，而镜子是一场游戏。"

解释：辅与车互相依存，嘴唇没有了，牙齿就要受寒。