Success is not final, failure is not fatal: It is the courage to continue that counts.
The process of doing mathematics is more important than the result.
在我看来,自然界是最大的兴奋来源;最大的视觉美来源;最大的智力兴趣来源。它是生命中许多让生活有价值的东西的最大来源。
The person who is slowest in making a promise is the most faithful in performance of it.
大胆梦想,敢于失败。
Freedom is man's capacity to take a hand in his own development. It is our capacity to mold ourselves.