The most dangerous phrase in the language is, 'We've always done it this way.'
语言中最危险的短语是:“我们一直都是这么做的。”
A good mathematician is lazy, but in a constructive way.
所以,父母、老师、国君三者,都不能当作做事的法度。 
The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory. They are forgotten. And the living, too, will be forgotten.
In the end, we are all just stories waiting to be told.