商场如战场，防人之心不可无。  

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized."

A computer program does what you tell it to do, not what you want it to do.

译文：任何事苦苦追求最终只会伤害自己，那些看似得到便宜的地方，其实也暗藏着损失。

"Your most unhappy customers are your greatest source of learning."