It was Plato, according to Sosigenes, who set this as a problem for those concerned with these things, through what suppositions of uniform and ordered movements the appearances concerning the movements of the wandering heavenly bodies could be preserved.
PlatoAnd once we have given our community a good start,' I pointed out, ' the process will be cumulative. By maintaining a sound system of education you produce citizens of good character, and citizens of sound character, with the advantage of a good education, produce in turn children better than themselves and better able to produce still better children in their turn, as can be seen with animals.
Plato