数学的进步是通过它能解决的问题数量来衡量的。

每块石头都有故事——我们的职责是确保这是个值得讲述的故事。

Remember, hope is a good stuff, maybe the best thing, and no good stuff will fade away!

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

不要想着开始，直接开始。