Isaiah 62:8. The Lord hath sworn by his right hand, and by the arm of his strength By Christ, say some, who is the arm of the Lord, the power of God, by whom he made the world, and upholds all things; but though he sometimes is said to swear unto him, and concerning him, yet is never said to swear by him; rather the attribute of omnipotence is here designed; as God is sometimes said to swear