There was nothing the matter with them except they were dead tired. It was not the dead-tiredness that comes through brief and excessive effort, from which recovery is a matter of hours; but it was the dead-tiredness that comes through the slow and prolonged strength drainage of months of toil.

You can't wait for inspiration. You have to go after it with a club.

The proper function of man is to live, not to exist. I shall not waste my days in trying to prolong them. I shall use my time.

A bone to the dog is not charity. Charity is the bone shared with the dog, when you are just as hungry as the dog.

White Fang received the nursing. Judge Scott's suggestion of a trained nurse was indignantly clamoured down by the girls, who themselves undertook the task. And White Fang won out on the one chance in ten thousand denied him by the surgeon. The latter was not to be censured for his misjudgement. All his life he had tended and operated on the soft humans of civilization, who live sheltered lives and had descended out of many sheltered generations. Compared with White Fang, they were frail and flabby, and clutched life without any strength in their grip. White Fang had come straight from the Wild, where the weak perish early and shelter is vouchsafed to none. In neither his father nor his mother was there any weakness, nor in the generations before them. A constitution of iron and vitality of the Wild were White Fang's inheritance, and he clung to life, the whole of him and every part of him, in spirit and in flesh, with the tenacity that of old belonged to all creatures.

His muscles had wasted away to knotty strings, and the flesh pads had disappeared, so that each rib and every bone in his frame were outlined cleanly through the loose hide that was wrinkled in folds of emptiness. It was heartbreaking, only Buck's heart was unbreakable. The man in the red sweater had proved that.