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.

文学是社会的镜子，反映其美与缺陷。

If you want to build a great enterprise, you have to have the courage to dream great dreams.

Art doesn’t have to be serious to be meaningful.

自守表示的研究揭示了数域的隐藏对称性。