He was sounding the deeps of his nature, and of the parts of his nature that were deeper than he, going back into the womb of Time.

So that was the way. No fair play. Once down, that was the end of you.

But nobody else ever romped with White Fang. He did not permit it. He stood on his dignity, and when they attempted it, his warning snarl and bristling mane were anything but playful. That he allowed the master these liberties was no reason that he should be a common dog, loving here and loving there, everybody's property for a romp and good time. He loved with single heart and refused to cheapen himself or his love.

It was the masterful and incommunicable wisdom of eternity laughing at the futility of life and the effort of life. It was the Wild, the savage, frozen-hearted Northland Wild. (Ch.1)

His conclusion was that things were not always what they appeared to be. The cub's fear of the unknown was an inherited distrust, and it had now been strengthened by experience. Thenceforth, in the nature of things, he would possess an abiding distrust of appearances.

They were not half living, or quarter living. They were simply so many bags of bones in which sparks of life fluttered faintly.

...men, groping in the Arctic darkness, had found a yellow metal, and because steamship and transportation companies were booming the find, thousands of men were rushing into the Northland. These men wanted dogs, and the dogs they wanted were heavy dogs, with strong muscles by which to toil, and furry coats to protect them from the frost.