Psalms 46:3

though the waters thereof roar, as in fierce anger, and be troubled, rushing, foaming, and frothing like fermenting wine, though the mountains shake with the swelling thereof, as from the impact of a mighty tidal wave which threatens to undermine them. Selah. Such is the picture of the catastrophes which threaten the existence of the Church, but in whose midst the believers wait quietly for the Lord, knowing that the gates of hell shall not prevail against His Church. The reason for this simple trust is now given.