Editors never buy manuscripts that are left on the closet shelf at home.

History does not always repeat itself. Sometimes it just yells, 'Can't you remember anything I told you?' and lets fly with a club.

Science is not a sacred cow-but there are a large number of would-be sacred cowherds busily devoting quantities of time, energy and effort to the task of making it one, so they can be sacred cowherds.

No literature is sound, no philosophy of action workable, if it doesn't take a hard look at itself.

We presuppose two things: that there is yet to be learned infinitely more than is now known, and that man can learn it.

Too darned good a machine can be a menace, not a help.

There's nothing quite so stultifying as having someone around who has all the answers-and gives them to you.