The world is full of people who have never, since childhood, met an open doorway with an open heart.
这个世界上充满了自童年以来从未以开放的心态迎接开放之门的人。
我相信如果你时刻准备着，就不必临时准备。
"To think is to confine yourself to a single thought that one day stands still like a star in the world's sky."
The Eskimos had fifty-two names for snow because it was important to them: there ought to be as many for love.
Science should always serve humanity, not the other way around.
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.