The only thing that is truly yours is your time.

The psychologist must avoid all forms of mental physics.

人们生产生活资料的方式首先取决于他们发现并必须再生产的实际手段的性质。

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.

建筑是一门社会艺术；它必须首先服务于人。