Thy way [is] in the sea, and thy path in the great waters, and thy footsteps are not known.
Ver. 19. Thy way is in the sea, &c.] A way of thine own miraculous making. God usually goeth a way by himself.
And thy footsteps are not known] Not so much as is the way or an eagle in the air, the way of a serpent upon a rock, or the way of a ship in the midst of the sea, Proverbs 30:19. Let God alone with his own work, commit we ourselves to him in well doing, and it shall go well with us, no question of it. Pit viam desperatae salutis, impii foveam insperatae mortis intrant (Oros.).