The truth is, I don't know what I would have done without mathematics.

"The past is always present in the way we live now."

新发现的获得往往包含意外因素。

The universe is not only stranger than we imagine, it is stranger than we can imagine.

The difference between good and great is attention to detail.

The Eskimos had fifty-two names for snow because it was important to them: there ought to be as many for love.

内心的平和是最好的财富。