不要等到一切都刚刚好。它永远不会完美。总会有挑战、障碍和不完美的条件。所以呢？现在就开始吧。随着你迈出的每一步，你会变得越来越强大，越来越熟练，越来越自信，越来越成功。
Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.
The elegance of a proof is as important as its correctness.
利用不同的感官刺激，有条不紊地将注意力引导到儿童的活动甽，即便是嗅觉也可以用理解的方式来训练，从而成为他们探索环境的器官。
The study of automorphic forms is a reflection of the beauty of mathematical symmetry.
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.