I have been a selfish being all my life, in practice, though not in principle.
我一生都是一个自私的人，虽然原则上并非如此，但行动上却是。
真实永远比虚构更离奇。
生存的唯一方法就是不断前进。
Success is not final, failure is not fatal: It is the courage to continue that counts.
I think the act of reading imbues the reader with a sensitivity toward the outside world that people who don't read can sometimes lack.
数学是一门艺术，作为艺术家，你必须对自己诚实。