"To write is to walk on the edge of the unspeakable."

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

在一个无意义的世界里，追求快乐是唯一有意义的活动。

Letters are the biographer's gold mine; they reveal what official records conceal.

"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 worst enemy of life, freedom and the common decencies is total anarchy; their second worst enemy is total power.

我们都是自己记忆的人质。