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

by Robert A. Heinlein

At least once every human should have to run for his life, to teach him that milk does not come from supermarkets, that safety does not come from policemen, that “news” is not something that happens to other people. He might learn how his ancestors lived and that he himself is no different—in the crunch his life depends on his agility, alertness, and personal resourcefulness.

I was not foolish enough to attempt to teach mathematics I did not comprehend—I leapfrogged it. I took an engineering approach with Cart. Engineers do not insist on knowing why as long as they know how.

No, honey, if we’re in a book, I want to live it chapter by chapter and not know the end ’til I reach it.”