—— 请按键盘 空白键 开始游戏 ——

老脑筋就像老马;如果你想保持它们的工作状态,你必须锻炼它们。
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
学习一门新编程语言的唯一方法是用它编写程序。
那时我太老了,现在反而年轻了。
Science is an adventure into the unknown, every discovery is a reverence for nature.