Paperless offices still need paper-producing forests.

"The more you try to understand, the less you know."

使用，而不要滥用...节制和过度都不会使人快乐。

Art is the only serious thing in the world. And the artist is the only person who is never serious.

幸福的秘诀是自由，而自由的秘诀是勇气。