Doctrine is VERY important.
. The Doctrine of God (Theology Proper)
Monotheism: God is one (Deuteronomy 6:4, Isaiah 44:6).
Trinity: God exists as Father, Son, and Holy Spirit (Matthew 28:19, 2 Corinthians 13:14).
Attributes of God: His nature is eternal, omniscient, omnipotent, holy, loving, etc. (Psalm 90:2, Isaiah 46:9-10, 1 John 4:8).
2. The Doctrine of Christ (Christology)
Incarnation: Jesus is both fully God and fully man (John 1:1, 14; Philippians 2:5-7).
Atonement: Jesus’ death on the cross was for the salvation of humanity (Romans 3:24-25, 1 Peter 3:18).
Resurrection: Christ rose from the dead (1 Corinthians 15:3-4, Luke 24:6-7).
Second Coming: Jesus will return (Acts 1:11, Revelation 22:12).
3. The Doctrine of the Holy Spirit (Pneumatology)
Personhood of the Spirit: The Holy Spirit is a person, not just a force (John 14:26, Romans 8:26).
Work of the Spirit: He convicts, regenerates, indwells, empowers, and sanctifies believers (John 16:8-11, Titus 3:5, Romans 8:9).
4. The Doctrine of Man (Anthropology)
Creation: Humans are created in the image of God (Genesis 1:26-27).
Sin: All have sinned and fall short of the glory of God (Romans 3:23, Genesis 3).
Salvation: People are saved by grace through faith (Ephesians 2:8-9).
5. The Doctrine of Salvation (Soteriology)
Justification: By faith, believers are declared righteous (Romans 5:1, Galatians 2:16).
Regeneration: The new birth through the Holy Spirit (John 3:3-5, Titus 3:5).
Sanctification: The ongoing process of becoming more Christlike (1 Thessalonians 4:3, Hebrews 10:14).
Glorification: The final redemption of believers’ bodies (Romans 8:30, Philippians 3:21).
6. The Doctrine of the Church (Ecclesiology)
Body of Christ: The Church is the body of believers (1 Corinthians 12:27, Ephesians 1:22-23).
Mission: The Church is called to spread the gospel (Matthew 28:19-20, Acts 1:8).
Ordinances: Baptism and the Lord’s Supper are observed by believers (Matthew 28:19, 1 Corinthians 11:23-26).
7. The Doctrine of the Scriptures (Bibliology)
Inspiration: The Bible is divinely inspired (2 Timothy 3:16-17, 2 Peter 1:20-21).
Inerrancy: Scripture is without error in its original manuscripts (Psalm 19:7, John 17:17).
Authority: The Bible is the final authority in matters of faith and practice (Isaiah 40:8, Hebrews 4:12).
8. The Doctrine of Last Things (Eschatology)
Second Coming: Jesus will return in glory (Revelation 1:7, Matthew 24:30).
Resurrection of the Dead: Both the righteous and the wicked will be raised (John 5:28-29, 1 Corinthians 15:52).
Judgment: There will be a final judgment (Matthew 25:31-46, Revelation 20:11-15).
Eternal Life and Eternal Punishment: Believers will inherit eternal life, and the wicked eternal punishment (John 3:16, Matthew 25:46).
While the Bible does not list doctrines by number, it clearly presents multiple key teachings or doctrines that form the foundation of the Christian faith. These include the nature of God, the person and work of Jesus Christ, the role of the Holy Spirit, human nature, salvation, the Church, Scripture, and the end times. Each of these areas includes numerous sub-doctrines that are derived from Scripture and are essential for understanding the message of the Bible and Christian theology.
J.