His mind, having come to the conclusion that all these things are of little or no account, spurns them and pursues its wingéd way, as Pindar says, throughout the universe, 'in the deeps beneath the earth' and geometrizing its surfaces, 'in the heights above the heaven', astronomizing, and tracking down by every path the entire nature of each whole among the things that are, never condescending to what lies near at hand.