虚构是谎言中的真相。
Fiction is the truth inside the lie.
"The past is a shadow that follows us, but it does not have to define us."
数学的真正乐趣在于发现的过程，而不仅仅是结果。
Custom， then， is the great guide of human life.
The more you write, the more you discover what you don’t know.
数学的本质在于它的自由。
心理活动的目的是引导行为。