—— 请按键盘 空白键 开始游戏 ——

Two roads diverged in a wood, and I—I took the one less traveled by, And that has made all the difference.
在数学中,你并不理解事物。你只是习惯了它们。
宇宙不仅比我们想象的更奇怪,它比我们能够想象的还要奇怪。