—— 请按键盘 空白键 开始游戏 ——

The novel is the most complete expression of human freedom.
In the middle of difficulty lies opportunity.
Music saved my life, now I wanna return the favor.
"The most profound discoveries often come from the simplest questions."
数学的真正力量不在于它的复杂性,而在于它的简洁和优雅。
每当一座煤电厂关闭,美国的一部分心脏也随之关闭。