—— 请按键盘 空白键 开始游戏 ——

Life is short, and it’s up to you to make it sweet.
Mathematics is not a spectator sport.
The secret of getting ahead is getting started.
伟大的小说是一面镜子和一扇窗户:它向我们展示我们自己与世界。
Challenges are opportunities in disguise.