He had come to know quite thoroughly the world in which he lived. His outlook was bleak and materialistic. The world as he saw it was a fierce and brutal world, a world without warmth, a world in which caresses and affection and the bright sweetness of spirit did not exist.

Buck did not read the newspapers, or he would have known that trouble was brewing, not alone for himself, but for every tide-water dog, strong of muscle and with warm, long hair, from Puget Sound to San Diego.

Don't loaf and invite inspiration; light out after it with a club, and if you don't get it you will nonetheless get something that looks remarkably like it.

I remembered my days and nights of sunshine and starshine, where life was all a wild sweet wonder, a spiritual paradise of unselfish adventure and ethical romance. And I saw before me, ever blazing and burning, the Holy Grail.

Cruelty, as a fine art, has attained its perfect flower in the trained-animal world.

Where others have hearts, he carries a tumor of rotten principles.

He became quicker of movement than the other dogs, swifter of foot, craftier, deadlier, more lithe, more lean with ironlike muscle and sinew, more enduring, more cruel more ferocious, and more intelligent. He had to become all these things, else he would not have held his own nor survived the hostile environment in which he found himself.