Interesting to compare
“The Spirit and the bride say, “Come!” And let the one who hears say, “Come!” Let the one who is thirsty come; and let the one who wishes take the free gift of the water of life.”
with
"In Hades, where he was in torment, he looked up and saw Abraham far away, with Lazarus by his side. So he called to him, ‘Father Abraham, have pity on me and send Lazarus to dip the tip of his finger in water and cool my tongue, because I am in agony in this fire.’
“But Abraham replied, ‘Son, remember that in your lifetime you received your good things, while Lazarus received bad things, but now he is comforted here and you are in agony. And besides all this, between us and you a great chasm has been set in place, so that those who want to go from here to you cannot, nor can anyone cross over from there to us.’"
Abraham made the first covenant with God: Obey, and be blessed. Disobey, and be cursed. There was no water, no relief, no hope for the evil-doer, and the gulf between heaven and hell was fixed.
Compare this with the second covenant. “Let the one who is thirsty come.”
Abraham tells the rich man that no one can cross from hell to heaven, or from heaven to hell. He was mistaken. In his death and resurrection, Jesus did both.