The greatest courage is to love in a world full of hate.

Customer satisfaction begins with understanding their unspoken needs and exceeding their expectations.

The best way to guarantee a loss is to quit.

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

"The challenge is to make the invisible visible."

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.

一个好的抽象是捕捉概念的本质方面，同时忽略无关的细节。