Growth is life, and life is for ever destined to make for light. - Jack London

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.

To have a full stomach, to daze lazily in the sunshine — such things were remuneration in full for his adors and toils, while his ardors and toils were in themselves self-remunerative. They were expressions of life, and life is always happy when it is expressing itself.

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.