Life is a gift, don’t waste it.
不要看时钟；做时钟做的事。继续前进。
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.
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
In mathematics, the art of proposing a question must be held of higher value than solving it.