"enn 4,3,21 Sicut ars instrumentis inest, velut in gubernaculo, si forte esset gubernaculum animatum, adeo ut gubernatoria virtus intus sit artificiose movens (gr. éste kubernhtik¾n enai œndon t¾n kinoàsan)." . "enn 4,3,21 Sicut ars..." . .