The writer's only responsibility is to his art. He will be completely ruthless if he is a good one... If a writer has to rob his mother, he will not hesitate; the "Ode on a Grecian Urn" is worth any number of old ladies.

史记

你越了解自己和你想要什么，就越少让事情困扰你。

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