If a person who indulges in gluttony is a glutton, and a person who commits a felony is a felon, then God is an iron.

It's always coldest before the warm.

The whole world turns upside down in ten years, but you turn upside down with it.

And I repeat: if there is anything that can divert the land of my birth from its current stampede into the Stone Age, it is the widespread dissemination of the thoughts and perceptions that Robert Heinlein has been selling as entertainment since 1939.

We are all time travelers moving at the speed of exactly 60 minutes per hour.

To all the Callahan's Places there ever were or ever will be, whatever they may be called — and to all the merry maniacs and happy fools who are fortunate enough to stumble into one: may none of them arrive too late!

In 1971, after seven years in college, with that magic piece of paper clutched triumphantly in my fist, the best job I was able to get was night watchman on a sewer project in Babylon, N.Y. guarding a hole in the ground to prevent anyone from stealing it. God bless the American educational system!