Books are the safest and greatest mind-altering substances in the world. But be safe; don't read and drive.

Books are the safest and greatest mind-altering substances in the world. But be safe; don't read and drive.

书籍是世界上最安全、最能改变思想的东西。但是是安全的;不要边读书边开车。

-- H.E. Fairbanks H.E.费尔班克斯