马克思的功绩在于他忽然在社会思想史上产生了一个质的变化。他解释历史，理解其动力，预测未来，但除了预测之外，他还表达了一个革命性的概念：世界不仅必须被解释，还必须被改变。

艺术的未来在于它变得不可见的能力。

Surround yourself with people who challenge you, not just those who agree with you.

Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.

The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.

人类最深层的需求是克服分离感，走出孤独的牢笼。

一切都是相连的，一切。

一个好故事可以改变世界，一次一个读者。