艺术不是竞赛，而是一段旅程。

When we love, we always strive to become better than we are. When we strive to become better than we are, everything around us becomes better too.

The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

自由民主可能构成“人类意识形态演化的终点”和“人类政府的最终形式”，因此构成了“历史的终结”。