The clay of White Fang had been molded until he became what he was, morose and lonely, unloving and ferocious, the enemy of all his kind. - Jack London

It was an old song, old as the breed itself - one of the first songs of the younger world in a day when songs were sad.

On every side was the silence, pressing upon them with a tangible presence. It affected their minds as the many atmospheres of deep water affect the body of the diver. It crushed them with the weight of unending vastness and unalterable decree. It crushed them into the remotest recesses of their own minds, pressing out of them, like juices from the grape, all the false ardours and exaltations and undue self-values of the human soul, until they perceived themselves finite and small, specks and motes, moving with weak cunning and little wisdom amidst the play and inter-play of the great blind elements and forces.

He must master or be mastered; while to show mercy was a weakness. Mercy did not exist in the primordial life. It was misunderstood for fear, and such misunderstandings made for death. Kill or be killed, eat or be eaten, was the law; and this mandate, down out of the depths of Time, he obeyed.