—— 请按键盘 空白键 开始游戏 ——

Never let your sense of morals prevent you from doing what is right.
The real challenge in computer science is not to write programs, but to understand the nature of computation.
你的声音就是你的力量。不要让任何人让你沉默。
Mathematics is a language that allows us to describe the indescribable.
现代教育者的任务不是砍伐丛林,而是灌溉沙漠。