—— 请按键盘 空白键 开始游戏 ——

Nothing is too high for a man to reach, but he must climb with care and confidence.
对一个人而言,只要谨慎自信 ,没有什么是高不可攀的。
"I wanted to write a book that was funny, but also made people think."
数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。
Every frame counts, every second matters.