Isaiah 51:9 in the King James Version
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?
Context
8 For the moth will eat them up like a garment, and the worm will eat them like wool; but my righteousness will be forever, and my salvation to all generations.”
9 Awake, awake, put on strength, arm of the LORD! Awake, as in the days of old, the generations of ancient times. Isn’t it you who cut Rahab in pieces, who pierced the monster?
10 Isn’t it you who dried up the sea, the waters of the great deep; who made the depths of the sea a way for the redeemed to pass over?