管理复杂性的关键在于关注组件之间的接口，而不是它们的内部细节。
The key to managing complexity is to focus on the interfaces between components, not their internal details.
在向埃及的远征中，拿破仑下达过这样的一个命令。
别让别人的意见淹没了你内心的声音。
Men fear death as children fear to go in the dark； and as that natural fear in children is increased with tales， so is the other.
孔子说：“君子求自己，小人求别人。”
La palabra es el arma más poderosa que tenemos para cambiar el mundo.
Quality is not a program, it is a culture.