Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.

We don't own the land, we borrow it from our children.

There is no greater sorrow than to recall happiness in times of misery.

质量和效率是推动建筑企业发展的双引擎。

烘焙的快乐来自于分享——无论是知识还是成品。

伟大的领导者不创造追随者；他们创造更多的领导者。

To write is to confront the ghosts of our past, to give them a voice, and perhaps, to set them free.