出自先秦《荀子·强国》。一个人知道爱惜生命、安于快乐而抛弃礼义，那就好比想长寿而自刎其颈一样。此以比喻来说明坚守礼仪对于“贵生乐安”的重要性，强调治国安邦不可缺失礼义的意义。

每一个神话都是等待被揭示的真相。

Being powerful is like being a lady. If you have to tell people you are, you aren't.

The beauty of mathematics only shows itself to more patient followers.

"Art is not about what you see, but what you make others see."