你最不满意的客户是你最大的学习来源。

The only man who behaves sensibly is my tailor; he takes my measure anew every time he sees me, while all the rest go on with their old measurements.

The world is a place of the living, and the dead have no place in it.

全人类...都是平等和独立的，没有人应该侵犯他人的生命、健康、自由或财产。