Isaiah 26:20–27:13, God visits his wrath on all, including his own people, but with us, it is a wholesome discipline, not at all like the condemnation that comes upon the unbelieving world. 1 John 4:1–21, Here we learn, first, not to trust everyone who says they have the spirit of God, but test what they say against what the apostles have already taught. Secondly, we learned what it really means, that “God is love“.