Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

The streets were dark with something more than night.

You know what it’s like to wake up in the middle of the night with a vivid dream? And you know that if you don’t have a pencil and pad by the bed, it will be completely gone by the next morning. Sometimes it’s important to wake up and stop dreaming. When a really great dream shows up, grab it.

信仰就像断头台，同样沉重，同样轻。

男人是奇怪的东西，而更奇怪的是女人。