—— 请按键盘 空白键 开始游戏 ——

人们变得文明,不在于他们愿意相信的程度,而在于他们愿意怀疑的程度。
真理不会在愤怒中被说出。如果有朝一日真理被说出,那一定是在爱中。
In computer science, we often have to deal with systems that are too complex to understand all at once.