New Defender's Study Bible Notes
12:41 These things said Esaias. This unbelief in Christ was not surprising, for it had been prophesied long before. In John 12:38, John cites Isaiah 53:1, and in John 12:40 he cites Isaiah 6:10. It was in connection with the latter prophecy that Isaiah “saw also the Lord sitting upon a throne, high and lifted up” (Isaiah 6:1), in a glorious theophany.