The more you learn, the more you know, the more you know, the more you forget. The more you forget, the less you know. So why bother to learn?

失去耐心就是失去了战斗。

历史感不仅包含对过去之过去的感知，还包含对过去之现在的感知。

算法研究既关乎逻辑和数学，也关乎创造力。