[163] On which account the scripture tells us that the calf, after having been pounded to pieces, was scattered on the water, to signify that no genuine plant of good can ever flourish in corruptible matter; for as a seed, when thrown into the stream of a river or into the sea, cannot display its proper powers; for it is impossible, unless it has once taken hold with its roots, as with anchors, of some firm portion of earth, that any branch should be firmly fixed or should shoot up, I do not say to any height, but even as a creeper along the ground, or that it should ever bring forth fruit at the periodical seasons of the year, for any great and violent rush of water coming on washes away all the germinating vigour of the seed. In the same manner all the superfluities contained in the vessel of the soul which are ever spoken of or celebrated are destroyed before they can have any existence, the corporeal substance continually flowing off from them.