顾客永远是对的，我们必须倾听他们的声音。

No one is an artist unless he carries his picture in his head before painting it.

The greatest obstacle to progress is not ignorance, but the illusion of knowledge.

一个人明白自己并非上帝，这是最伟大的信仰行为。

Your passion in life should fit you exactly； but your purpose in life should exceed you. Work for something much larger than yourself.

You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.

神奇数字150表明，我们社交网络的规模受限于大脑的容量。