Never ask a barber if you need a haircut.

Solving a problem simply means representing it so as to make the solution transparent.

历史会证明谁真正为人民服务。

家不是一个地方，而是一种感觉。

The beauty of mathematics only shows itself to more patient followers.

我从不回头，永远向前看。

最重要的是保持谦逊。

True intelligence is understanding, not just computing.

我不怕独处，我怕孤独。