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。

预测未来的最好方式就是创造未来。

Thank you to everyone who supports me, your love is my greatest motivation.

教育的回报比大多数人意识到的要高。

We are all broken, that's how the light gets in.

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

你享受浪费的时间并不算白白浪费。