书是一个你可以握在手中的世界。
"A book is a world you can hold in your hands."
Cognitive processes are rule-governed transformations of symbolic structures.
The most profound discoveries often come from the simplest observations.
The best way to get a project done faster is to start sooner.
可持续发展已不再是选择，而是任何希望在未来蓬勃发展的企业的必需品。
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly.
The more extreme the art, the more it reveals about us.
