For a poet is an airy thing, winged and holy, and he is not able to make poetry until he becomes inspired and goes out of his mind and his intellect is no longer in him.
PlatoThe democratic youth lives along day by day, gratifying the desire that occurs to him, at one time drinking and listening to the flute, at another downing water and reducing, now practicing gymnastic, and again idling and neglecting everything; and sometimes spending his time as though he were occupied in philosophy.
Plato