Revelation chapter 13, verses 5 and 6 tells that Satan utters blasphemies against God, blaspheming His name and His dwelling, that is, those who dwell in heaven. He causes believers not to desire the things in heaven, even to a point that they think heaven is dull and boring. Hebrews chapter 12 shows us clearly that New Jerusalem is a real city. It is the final destination of our life journey and spirits. It also helps us to mind the things that are above, and see God’s love towards us. New Jerusalem is a real city, yet at the same time, rich in meanings.