  Now, as we have seen in some detail, the Greek notion of soul included the idea of soul as animating body probably as early as the sixth century, when Thales attributed soul to magnets. Connections between the soul and morally significant characteristics such as courage, temperance and justice, and with cognitive and intellectual functions, notably with planning and practical thought, are firmly established in fifth century Greek usage. But it is obviously far from clear whether the ordinary notion of soul, as it develops from the Homeric poems down to the end of the fifth century, is a well-formed, coherent notion, one that can suitably support the very prominent role that Plato assigns to the soul, in the Phaedo as well as in other dialogues. Perhaps most pressingly, it is far from clear whether what distinguishes the animate from the inanimate is the very thing that, in the case of some animate organisms, is responsible for cognitive functions such as sense-perception and thought, and that, specifically in the case of human beings, is the bearer of moral qualities such as justice, courage and the like. The question is neither explicitly raised nor, of course, resolved in the Phaedo; but a passage in the Republic (352d-354a), with which we will be concerned in section 3.2, suggests that Plato took the ordinary notion of soul, in all its richness and bewildering complexity, to be well-formed and coherent, and to be capable of supporting the requirements of his own theory.