—— 请按键盘 空白键 开始游戏 ——

The most profound ideas in mathematics often come from asking the simplest questions.
The greatest breakthroughs come from those who refuse to give up.
"A novel is a machine for thinking, a way of exploring the world without leaving your chair."
争论不应该是煤炭与可再生能源的对立,而应是如何让两者都变得更好。
Everything is what it is, and not another thing.