This is a symbol of baptism, which now saves you-- not the putting away of the filth of the flesh, but the answer of a good conscience toward God, through the resurrection of Jesus Christ,
(4) The same element is prominent in both deliverances, that of Noah and that of the Christian, the same being water; and it is exactly the same kind (who ever heard of different kinds of water?) of water that is evident in both salvations, his and ours.  The water that caused the flood is one with the water of Christian baptism.