Revelation 21 and 22 reveal God's ultimate plan: a new heaven and a new earth where He dwells with His people. The New Jerusalem symbolizes the fulfillment of God's promise, free from pain and sorrow. The great white throne judgment underscores the finality of God's justice. The river and tree of life signify eternal healing and life. Jesus' final invitation calls us to accept His offer of eternal life and live in anticipation of His return.