The real problem is not whether machines think but whether men do.

释义：不需要让自己过于饱食，把每时每刻都用来做有益的事情，不放弃任何一寸时间，这样才能够充分利用时间，有所成就。

我不是梦想家，我是实干家。

I always try to be better than I was yesterday.

The best picture books are those that respect the child’s intelligence and imagination.

Literature is the conversation between the living and the dead.

古代著书立说的人，都是有所为而发的。