On the cross, Jesus told the thief on his right that he will be with him in Paradise. Luke 23: 43 Jesus answered him, "I tell you the truth, today you will be with me in Paradise" If you notice,Jesus did not say Heaven. We also know that Jesus left the Keys of the Kingdom of Heaven on earth with Peter, his first disciple. Matthew 16:19 "And I will give you the keys of the kingdom of heaven, and whatever you bind on earth will be bound in heaven, and whatever you loose on earth will be loosed in heaven.” The Messiah is coming back on earth again for the "Marriage" of the lamb. Can we conclude that Heaven is empty until that time ? The Keys of the Kingdom are on earth. The human fal happened on earth. Our liberation of the fall also has to happened on earth.