Of all the theological differences between Mormonism and historic Christianity, the one that matters most for everyday conversation is salvation.

Not because it is the most abstract — it is actually quite concrete. But because it touches the heart of the gospel: What does a person need in order to be right with God? Is Christ's work enough, or is something more required?

LDS theology and historic Christianity give different answers to that question.

LDS teaching distinguishes between two levels of salvation that are often conflated in conversation.

General salvation — sometimes called resurrection — is available to virtually everyone. Through Christ's atonement, all people will be resurrected and receive some degree of glory. This is a gift, and it is not conditioned on personal merit. In this sense, LDS theology affirms that Christ saves.

Exaltation — the highest degree of glory, eternal life in God's presence, and the possibility of becoming a god — is a different matter entirely. Exaltation requires obedience to LDS ordinances: baptism by proper authority, confirmation, temple endowment, celestial marriage, and ongoing faithfulness to LDS teaching and commandments throughout one's life.

In other words, grace gets you resurrection. Exaltation requires works — specifically, the works prescribed and administered by the LDS church.

LDS theology teaches that after death, people are assigned to one of three kingdoms based on their faithfulness:

• The Celestial Kingdom — the highest degree, where God the Father dwells. Full exaltation is available here. This is reserved for faithful LDS members who have received all required ordinances.
• The Terrestrial Kingdom — a middle degree, for honorable people who rejected the fullness of the gospel, including many Christians who lived good lives but did not accept LDS teaching.
• The Telestial Kingdom — the lowest degree, for the wicked and those who rejected the gospel entirely.

There is also "outer darkness," reserved for a very small number — those who had a perfect knowledge of God and still rejected him.

The practical implication: in LDS theology, most Christians — people who sincerely believe in Jesus, live faithfully, and trust in his finished work — will end up in the Terrestrial Kingdom, not the Celestial. They will be saved in a sense, but they will not be with God.

The New Testament does not describe a two-tiered salvation where grace covers resurrection but exaltation requires additional works.

Ephesians 2:8–9 is direct: "For by grace you have been saved through faith. And this is not your own doing; it is the gift of God, not a result of works, so that no one may boast." Paul is not describing a partial salvation. He is describing the whole thing — being saved, being made alive, being raised up with Christ — and he attributes it entirely to grace through faith.

Romans 8:1 says: "There is therefore now no condemnation for those who are in Christ Jesus." Not "no condemnation, pending temple attendance." No condemnation, full stop.

John 5:24: "Whoever hears my word and believes him who sent me has eternal life. He does not come into judgment, but has passed from death to life." The verb tense matters: has eternal life, has passed. Present possession, not future attainment.

The biblical picture is not that Christ's work gets you partway there and your obedience closes the gap. It is that Christ's work is complete, sufficient, and received by faith alone.

LDS members often quote 2 Nephi 25:23 from the Book of Mormon: "It is by grace that we are saved, after all we can do."

That phrase — "after all we can do" — is significant. It places grace after human effort, as a supplement to what we have already contributed. Grace covers the gap between our best effort and what God requires.

This is the opposite of the Protestant understanding, which holds that grace is not a supplement to human effort but a replacement for it. We do not contribute anything to our justification. Christ's righteousness is credited to us by faith, not earned by performance.

LDS members sometimes push back on this characterization, and it is worth acknowledging that LDS theology is not monolithic — individual members hold a range of views on grace, and some emphasize it more than others. But the official teaching, as expressed in LDS scripture and the teachings of LDS presidents and apostles, consistently places exaltation within a framework of required ordinances and ongoing faithfulness.

The most useful question in a conversation about salvation with a Latter-day Saint is simple: "Do you believe that what Christ did is enough to save you completely, or is something more required?"

Most LDS members will say that Christ's atonement is central and essential — and they mean it. But if you press on what "enough" means, the answer will typically involve ordinances, faithfulness, and the LDS church's role in administering saving rites.

That is the honest difference. It is worth naming clearly, without hostility.

You might say: "I believe that Christ's finished work is the whole of my salvation — not a contribution to it. I don't bring anything to the table except my need. That's what I mean when I say I'm saved by grace."

That is not an argument. It is a testimony. And it opens a real conversation.

The Christian Field Guide covers salvation, grace, and the key differences between LDS theology and the biblical gospel in detail. The Companion is a free starting point. The Field Guide goes deeper, with a full section on Mormonism organized by doctrine.

The gospel is not "Christ plus." It is Christ alone. That is worth being clear about — gently, honestly, and without apology.