4.  To say that the waters were gathered in one place indicates that previously they were scattered in many places.  The mountains, intersected by deep ravines, accumulated water in their valleys, when from every direction the waters betook themselves to the one gathering place.  What vast plains, in their extent resembling wide seas, what valleys, what cavities hollowed in many different ways, at that time full of water, must have been emptied by the command of God!  But we must not therefore say, that if the water covered the face of the earth, all the basins which have since received the sea were originally full.  Where can the gathering of the waters have come from if the basins were already full?  These basins, we reply, were only prepared at the moment when the water had to unite in a single mass.  At that time the sea which is beyond Gadeira i.e. Cadiz, a corruption of Gadeira, which, like Geder and Gadara, is connected with the Phœnician Gadir, an enclosure. and the vast ocean, so dreaded by navigators, which surrounds the isle of Britain and western Spain, did not exist.  But, all of a sudden, God created this vast space, and the mass of waters flowed in.