As the children of God, we should practice God's will and his teachings. When we add to them and subtract from them, there would be no differences with other people in the world.
Rev 22:18 I warn everyone who hears the words of the prophecy of this book: If anyone adds anything to them, God will add to him the plagues described in this book. And if anyone takes words away from this book of prophecy, God will take away from him his share in the tree of life and in the holy city, which are described in this book.
When we keep his words and follow as it is, we can be bless by God. He said that when we take words away from the Bible, we can not reach the tree of life and enter the holy city. Unless we reach the tree of life, we can not receive the eternal life. Also, if we don't have a privilege of entering the Holy city, we can not enter the kingdom of heaven, either. Then what is the holy city? Let's see one more verse.
Rev 21:9 One of the seven angels who had the seven bowls full of the seven last plagues came and said to me, "Come, I will show you the bride, the wife of the Lamb."And he carried me away in the Spirit to a mountain great and high, and showed me the Holy City, Jerusalem, coming down out of heaven from God.
Holy city is Jerusalem from heaven, heavenly Jerusalem.
Gal 4:26 But the Jerusalem that is above is free, and she is our mother.
Heavenly Jerusalem is our Mother of Spirit.
Rev 21:2-4 I saw the Holy City, the new Jerusalem, coming down out of heaven from God, prepared as a bride beautifully dressed for her husband.
According to the prophecy, Jerusalem Mother must come down to this earth dwelling with us. This prophecy was fulfilled as she has already come. She is working for our salvation. When you come to the Holy city, you can enter the kingdom of heaven.
Rev 22:17 The Spirit and the Bride say, "Come!" And let him who hears say, "Come!" Whoever is thirsty, let him come; and whoever wishes, let him take the free gigt of the water of life.
she is calling us to have the water of life, eternal life. Come to Jerusalem Mother and Christ Ahnsahnghong. You will absolutely enter the eternal salvation.