Isaiah’s vision of God shows His holiness—His purity, sinlessness, and separateness from His fallen creation. God is so holy that the seraphim, heavenly creatures, covered their faces in His presence. They called to each other, “Holy, holy, holy.” This declaration signifies the otherness of God. He is nothing like us; He is far above and beyond us. Seeing ourselves starkly in the light of this holiness should cause us to bow down in worship. Isaiah, upon witnessing the holiness of God, had two responses.