He who is learning and learning and doesn't apply what he knows is like the one who is plowing and plowing and doesn't seed.
PlatoWe must infer that all things are produced more plentifully and easily and of a better quality when one man does one thing which is natural to him and does it at the right time, and leaves other things.
PlatoThe ultimate design of the Mysteries ... was to lead us back to the principles from which we descended, ... a perfect enjoyment of intellectual [spiritual] good.
Plato