The Pursuit of the Pankera: A Parallel Novel About Parallel Universes

by Robert A. Heinlein

Kettering’s Law: “Logic is an organized way of going wrong with confidence.”

when you hear the bullet before you hear the gun, you are on the wrong end of the firing.

“Don’t bang your head against a stone wall.” He might add: “Climb over, go around, tunnel under, knock a hole in it—and if nothing works, forget it! Change your plans. Or take a nap. But don’t get ulcers.”

“I have no hesitation in saying that I have no comment—and you can quote me that that is strictly off the record.