数学中最深刻的问题往往源于最简单的问题。

学习本质上是刺激-反应连接的问题。

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

写作的行为是一种抵抗的行为。

应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。