The only person who is educated is the one who has learned how to learn and change.

算法研究既关乎逻辑和数学，也关乎创造力。

很多时候，我们都需要面对选择。如果都有好处，就要取其中好处最大的；如果都有害处，就取其中害处最小的。

A person needs to walk how many roads to become a real person.

"Every story is a lie until someone believes it."

过去并非异国，而是我们自己。