Exodus 14:25, 31

And he took off their chariot wheels, and they drove them heavily; so that the Egyptians said, Let us flee from the face of Israel; for Jehovah fighteth for them against the Egyptians.

And Israel saw the great work which Jehovah did upon the Egyptians, and the people feared Jehovah: and they believed in Jehovah, and in his servant Moses.