The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.

The value of any mental activity is measured by its contribution to successful living.

城市的建筑是它随时间推移的构建。

A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.

我不在乎酷不酷。我在乎的是快乐。

艺术是使我们能够认识真相的谎言。