As one grows weaker one is less susceptible to suffering. There is less hurt because there is less to hurt.

But this is not a world of free freights. One pays according to an iron schedule--for every strength the balanced weakness; for every high a corresponding low; for every fictitious god-like moment an equivalent time in reptilian slime. For every feat of telescoping long days and weeks of life into mad magnificent instants, one must pay with shortened life, and, oft-times, with savage usury added.

The first theft marked Buck as fit to survive in the hostile Northland environment. It marked his adaptability, his capacity to adjust himself to changing conditions, the lack of which would have meant swift and terrible death. It marked, further, the decay or going to pieces of his moral nature, a vain thing and a handicap in the ruthless struggle for existence.

It is good that man should accept at face value the cheats of sense and snares of flesh, and through the fogs of sentiency pursue the lures and lies of passion.

The function of man is to live, not to exist.

Love cannot in its very nature be peaceful or content. It is a restlessness, an unsatisfaction. I can grant a lasting love just as I can grant a lasting unsatisfaction; but the lasting love cannot be coupled with possession, for love is pain and desire and possession is easement and fulfilment.

Having no new companions, nothing remained for him but to read.