I have sworn by myself. — The highest conceivable form of asseveration (Genesis 22:16; Jeremiah 22:5; Hebrews 6:13).
Unto me every knee shall bow. — The faith of Israel becomes the religion of mankind, though, from the prophet’s standpoint, Israel does not lose its distinctive nationality. We note the application of the words to the Christ in Philippians 2:10; Romans 14:11.