Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
书是一份你可以反复打开的礼物。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
The wise seek the truth, fools seek entertainment.
可能近似正确(PAC)学习的概念在计算学习理论中具有基础性意义。