Psalm 46:3 in the World English Bible
though its waters roar and are troubled, though the mountains tremble with their swelling. Selah.
Context
2 Therefore will not we fear, though the earth be removed, and though the mountains be carried into the midst of the sea;
3 Though the waters thereof roar and be troubled, though the mountains shake with the swelling thereof. Selah.
4 There is a river, the streams whereof shall make glad the city of God, the holy place of the tabernacles of the most High.