"Books can be dangerous. The best ones should be labeled 'This could change your life.'"

The writer’s challenge is to find the universal in the particular.

比喻做事要专心致志，不能一心二用。

The strongest principle of growth lies in human choice.

Beauty is the splendor of truth.

The best way to create interest in a subject is to render it worth knowing, which means to make the knowledge usable.

我不相信原创性，我相信重组。