80. The priests, also, under the old law, as we read in Exodus, wore breeches, as it was told Moses by the Lord: “And thou shalt make them linen breeches to cover their shame: from the loins even to the thighs they shall reach, and Aaron and his sons shall wear them, when they enter into the tabernacle of witness, and when they come unto the altar of the holy place to offer sacrifice, that they lay not sin upon themselves and die.” Some of us are said still to observe this, but most explain it spiritually, and suppose it was said with a view to guarding modesty and preserving chastity.