The highest treason, the meanest treason, is to deny the holiness of this little blue planet on which we journey through the cold void of space.

The only thing left worth saving is wilderness.

No man-made structure in all of American history has been hated so much, by so many, for so long, with such good reason, as that Glen Canyon Dam at Page, Arizona, Shithead Capital of Coconino County.

As between the skulking and furtive poacher, who hunts for the sake of meat, and the honest gentleman shooter, who kills for the pleasure of sport, I find the former a higher type of humanity.

Married couples who quarrel bitterly every day may really need each other as deeply as those who appear to be desperately in love.

Our big social institutions do not reflect human nature; they distort it.

It is true that some of my fiction was based on actual events. But the events took place after the fiction was written.