—— 请按键盘 空白键 开始游戏 ——

Theorems are the milestones of mathematics.
Never try to discourage thinking, for you are sure to succeed.
What I regret most in my life are failures of kindness.
最大的风险是不冒任何风险。在一个快速变化的世界里,唯一注定失败的策略是不冒险。
Tis not contrary to reason to prefer the destruction of the whole world to the scratching of my finger.
灵魂的快乐在于行动。