—— 请按键盘 空白键 开始游戏 ——

You have to be comfortable with being uncomfortable if you want to make progress in mathematics.
The challenge in quantum computing is not just to build a quantum computer, but to understand what it can do.
A man can be happy with any woman as long as he does not love her.
What is freedom of expression? Without the freedom to offend, it ceases to exist.