Over and over again he would be led by desire into excess, and each time he would experience the painful consequences, until at last he learned moderation, i.e., he learned to conform his bodily acts in this respect to physical law; for he found that there were conditions which affected him and which he could not control, and that only by observing them could physical happiness be insured. Similar experiences flowed in upon him through all the bodily organs, with undeviating regularity; his outrushing desires brought him pleasure or pain just as they worked with the laws of Nature or against them, and, as experience increased, it began to guide his steps, to influence his choice. It was not as though he had to begin his experience anew with every life, for on each new birth he brought with him mental faculties a little increased, and ever-accumulating store.