成功不是终点,失败也非致命,重要的是继续前进的勇气。
Success is not final, failure is not fatal: it is the courage to continue that counts.
对未来的真正慷慨在于把一切都给予现在。
It is error only, and not truth, that shrinks from inquiry.
The best mathematicians are those who are not afraid to take risks.