63:2.4

On their northward journey they discovered an exposed flint deposit and, finding many stones suitably shaped for various uses, gathered up a supply for the future. In attempting to chip these flints so that they would be better adapted for certain purposes, Andon discovered their sparking quality and conceived the idea of building fire. But the notion did not take firm hold of him at the time as the climate was still salubrious and there was little need of fire.