我不缺乏把一个想法彻底思考下去的勇气，到目前为止，我还没有遇到过我害怕的想法。

The best literature is that which makes us uncomfortable, which disturbs our sleep.

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

Do not linger to gather flowers to keep them,but walk on,for flowers will keep themselves blooming all your way.

To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.