—— 请按键盘 空白键 开始游戏 ——

Every seed we plant today is a promise to future generations.
The speed of learning is now the only sustainable competitive advantage in business.
数学家们至今徒劳地试图在素数序列中发现某种规律,我们有理由相信这是一个人类思维永远无法穿透的谜题。