The will to learn is an intrinsic motive, one that finds both its source and its reward in its own exercise.

科学是一股向善的力量，但前提是我们明智地使用它。

"The world is full of stories, but the stories are all one."

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

I will tell you what I will do and what I will not do. I will not serve that in which I no longer believe whether it call itself my home, my fatherland, or my church: and I will try to express myself in some mode of life or art as freely as I can and as wholly as I can, using for my defence the only arms I allow myself to use—silence, exile, and cunning.

用程序证明四色定理不会改变数学——它只是证明了这个挑战了一个世纪的定理是一个有限的问题。

要求真，因为真，是这人世间完美之事的基本要素，也是所有善美的根源。