—— 请按键盘 空白键 开始游戏 ——

The first task is to understand the problem, the second to find a solution, and the third to carry it out.
第一项任务是理解问题,第二项是找到解决方案,第三项是执行它。
Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.
世界上最好和最美丽的东西是看不见甚至摸不到的——它们必须用心去感受。