Consciousness is like a river—you can never step into the same stream of thought twice.

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

无产阶级是普遍的阶级，他们的根本锁链是可以破裂的阶级。

The Langlands program is a vision of how mathematics could be seen as a single, coherent whole.

我们不试图预测未来。我们试图买便宜的东西。