51:9 Awake, awake, put on strength, O arm of the LORD; awake, as in the ancient days, in the generations of old. Art thou not it that hath cut Rahab, and wounded the dragon?
51:10 Art thou not it which hath dried the sea, the waters of the great deep; that hath made the depths of the sea a way for the ransomed to pass over?
Art thou not
The ref. is to Egypt Isaiah 30:7 at the Exodus:
Heb. "goel,: Redemp. (Kinsman type). (See Scofield "Isaiah 59:20")