—— 请按键盘 空白键 开始游戏 ——

Behavior, as such, is not to be regarded as a mere chain of muscular contractions, but rather as a purposive and cognitive affair.
Self-education is, I firmly believe, the only kind of education there is.
我不喜欢做简单的事。我喜欢做有挑战性并能推动我的事。
It is a terrible thing for a man to find out suddenly that all his life he has been speaking nothing but the truth.