"Remember, I don’t threaten. I don’t play. I always carry firearms. The truly violent are never without them."

“Perhaps it’s because I was brought up with no religion at all that I detest the science-fiction tropism towards re-writing Christianity from what one might call the village-atheist point of view. Although “Budget Planet” and Fritz Leiber’s “One Station on the Way” are colorful and active enough, there seems to me to be no point in flogging dead fundamentalist doctrines so late in the day.”

“There are more whooping cranes in the United States of America than there are women in Congress.”

“The trouble with men is that they have limited minds. That's the trouble with women, too.”

“Sit a man on his ass with nothing to do but eat and the first thing that goes is his mind. It never fails.”

“In the field of science fiction or fantasy, morality—when it enters a book at all—is almost always either thoughtlessly liberal or thoughtlessly illiberal or just plain thoughtless .”

“Dismissing the whole thing as the world’s aberration and not mine, I went back to bed.”