"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

The design of a system should be guided by the principle of least surprise, where the behavior of components is intuitive and predictable.

The rules of art are not arbitrary; they are founded in reason and in the nature of things.

The poet is a man who puts up a ladder to a star and climbs it while playing a violin.

Words are not mere sounds or marks， but signs of facts.