—— 请按键盘 空白键 开始游戏 ——

The secret of a happy old age is to have a good memory and a bad one.
幸福晚年的秘诀在于要有好的记性和坏的记性。
我喜欢竞争。这就是我的工作。
I think that the most important thing for a director is to have a clear vision of what he wants to do.
The arithmetic of L-functions is a key to unlocking the secrets of number theory.