—— 请按键盘 空白键 开始游戏 ——

Theorems are eternal; their proofs are ephemeral.
定理是永恒的;它们的证明是短暂的。
True leadership means making tough decisions for the right reasons.
伟大的诗人是最不快乐的存在。
Every stroke, every breath, every moment is a step closer to your goal.