

2 Peter 1:4 - “Through these he has given us his very great and precious promises, so that through them you may participate in the divine nature,having escaped the corruption in the world caused by evil desires.”
John 17:21-23 - “that all of them may be one, Father, just as you are in me and I am in you. May they also be in us so that the world may believe that you have sent me. I have given them the glory that you gave me, that they may be one as we are one— I in them and you in me—so that they may be brought to complete unity. Then the world will know that you sent me and have loved them even as you have loved me.”
Athanasius of Alexandria, On the Incarnation, circa 318–325 CE - “He became man so that we might become god.”
The concept is called theosis and is developed largely from those two verses and was further contemplated by early Catholics. Whether you become one with the godhead, like unto the godhead, or, such as in Mormonism, can literally become a god-being (though not the God) yourself varies by sect. Most agree that the communion does infer some sort of divine combining of one’s self with the god power. You can also see this concept in the idea of “invite Jesus into your heart”, or the gift of the Holy Spirit. Somehow some part of god is dwelling in you and you are a part of god.






Yeah, the debate over the nature of how exactly sacrament works and what the purpose is not a singular belief in Christianity and like the Trinity is one of the things that has been debated within councils and philosophy endlessly. The Roman Catholics and Eastern Orthodox are the main two that hold it physically becomes the body and blood of Jesus. The big Protestant churches run the gamut of “body and blood is present but it’s still bread and wine” to “present in spirit” to “this is bread and wine; the act is symbolic”. That’s also why some can substitute grape juice or water and the act is still valid.