Psalm 77:19 in the World English Bible
Your way was through the sea, your paths through the great waters. Your footsteps were not known.
Context
18 The voice of thy thunder was in the heaven: the lightnings lightened the world: the earth trembled and shook.
19 Thy way is in the sea, and thy path in the great waters, and thy footsteps are not known.
20 Thou leddest thy people like a flock by the hand of Moses and Aaron.