And Neolithic man was counting, and falling under the spell of numbers. There are savage languages that have no word for any number above five. Some peoples cannot go above two. But Neolithic man in the lands of his origin in Asia and Africa even more than in Europe was already counting his accumulating possessions. He was beginning to use tallies, and wondering at the triangularity of three and the squareness of four, and why some quantities like twelve were easy to divide in all sorts of ways, and others, like thirteen, impossible. Twelve became a noble, generous, and familiar number to him, and thirteen rather an outcast and disreputable one.
Probably man began reckoning time by the clock of the full and new moons. Moonlight is an important thing to herdsmen who no longer merely hunt their herds, but watch and guard them. Moonlight, too, was perhaps his time for love-making, as indeed it may have been for primordial man and the ground ape ancestor before him. But from the phases of the moon, as his tillage increased, man's attitude would go on to the greater cycle of the seasons. Primordial man probably only drifted before the winter as the days grew cold. Neolithic man knew surely that the winter would come, and stored his fodder and