The essence of mathematics lies in its freedom.
Success is not final, failure is not fatal: It is the courage to continue that counts.
自然界运行的规律就是,发展到尽头则走向反面,发展到极盛则走向衰落。
I don't think that people accept the fact that life doesn't make sense. I think it makes people terribly uncomfortable.
因为服从是如此困难,所以相信也是如此困难。
The only regret I will have in dying is if it is not for love.