Soteriology is the systematic study of everything Scripture teaches about salvation: election, calling, regeneration, faith, repentance, justification, adoption, sanctification, perseverance, and glorification — the full sweep of God's saving work from eternity past to eternity future. It addresses the deepest human question: "What must I do to be saved?" (Acts 16:30) — and gives God's definitive answer. Proper soteriology holds the divine and human sides in biblical tension: salvation is entirely by God's grace through faith (Ephesians 2:8–9), yet it produces real fruit and demands genuine response (James 2:17). It is anchored in the person and work of Christ and applied by the Holy Spirit.
SOTERIOL'OGY, n. [Gr. sōteria, salvation, and logos, discourse.] That branch of theology which treats of the salvation of men by Jesus Christ; the doctrine of salvation. (Note: Webster 1828 predates the formal term; the definition follows standard theological usage from the 19th century.)
Contemporary soteriology has been diluted in two directions simultaneously. Therapeutic gospel culture reduces salvation to "being your best self" or "finding wholeness" — stripping away the judicial reality of justification and the necessity of the cross. Meanwhile, hyper-Calvinism can so emphasize divine sovereignty that human responsibility evaporates, producing fatalism rather than evangelism. The biblical center holds both: God sovereignly saves; humans genuinely believe; Christ's atonement is real and sufficient; faith is not a work but a gift. Soteriology done wrong produces either self-improvement moralism or passive quietism — neither of which is the gospel.
• Ephesians 2:8–9 — "For it is by grace you have been saved, through faith — and this is not from yourselves, it is the gift of God — not by works."
• Romans 8:29–30 — The golden chain: foreknew → predestined → called → justified → glorified.
• Acts 16:30–31 — "What must I do to be saved?" / "Believe in the Lord Jesus, and you will be saved."
• John 10:28–29 — "I give them eternal life, and they shall never perish; no one will snatch them out of my hand."
G4991 — sōtēria (σωτηρία) — salvation, deliverance, preservation; the core soteriological term
G4990 — sōtēr (σωτήρ) — Savior; the title given to Christ as the agent of salvation
H3444 — yeshuah (יְשׁוּעָה) — salvation, deliverance; root of the name "Jesus" (Yeshua)
• A church that can't articulate its soteriology will produce confused disciples who don't know whether they are saved because of Christ or because of their sincerity.
• The debates between Arminians and Calvinists are soteriological debates — not peripheral squabbles, but serious wrestling with how grace and freedom relate in God's saving work.
• Preaching soteriology faithfully means both declaring what God has done and calling people to respond — the divine initiative and the human response are not competitors.