The child is a reality in himself, and not merely a transitional being.

When in doubt, use brute force.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。

如果一台计算机能够欺骗人类，使其相信它是人类，那么它就有资格被称为智能。