Category

Catholicism

Scripture (Protestant view)

Authority

Bible + Tradition + Pope

Bible alone

Salvation

Faith + Works + Sacraments

Faith alone

Mary

Venerated; sinless; intercessor

Honored as Jesus' mother; no worship

Sacraments

7 Sacraments (means of grace)

2 Ordinances (symbolic acts)

Church

Institutional, hierarchical

Spiritual body of believers

Afterlife

Heaven, Hell, Purgatory

Heaven and Hell only




Topic

Roman Catholicism

Scripture (Bible Alone)

Final authority

Scripture + Tradition + Magisterium

Scripture alone (2 Tim. 3:16–17)

Infallibility of the Pope

Pope is infallible when speaking ex cathedra on faith/morals

No mention of papal infallibility; only God’s Word is perfect (Ps. 19:7)

Apostolic succession

Bishops are successors of the apostles with authority

Apostolic authority was unique and not passed down institutionally (Acts 1:21–22)




Topic

Roman Catholicism

Scripture

Means of salvation

Faith + works (including sacraments)

Justification by faith alone (Eph. 2:8–9; Rom. 3:28)

Role of grace

Grace is infused through sacraments; can be lost and regained

Grace is a free gift; not earned or maintained by works (Rom. 11:6)

Assurance of salvation

Not usually assured; can be lost

Believers can have assurance (1 John 5:13; Rom. 8:1)




Topic

Roman Catholicism

Scripture

Immaculate Conception

Mary was born without original sin

All have sinned (Rom. 3:23); no biblical support

Perpetual Virginity

Mary remained a virgin forever

Jesus had siblings (Matt. 13:55–56)

Mary as Co-Redemptrix / Mediatrix

Mary plays a role in salvation and intercession

Christ is the only mediator (1 Tim. 2:5)




Sacrament

Roman Catholicism

Scripture

Baptism

Necessary for salvation; removes original sin (usually infant)

Symbol of faith/obedience; tied to repentance and belief (Acts 2:38)

Eucharist (Communion)

Transubstantiation: bread/wine become literal body/blood of Christ

A memorial of Christ’s sacrifice (Luke 22:19; 1 Cor. 11:24–26); symbolic view in many Protestant traditions

Confession

Must confess to a priest for forgiveness

Confess sins directly to God (1 John 1:9)

Other sacraments

7 sacraments total

Only baptism and communion are instituted clearly (Matt. 28:19; 1 Cor. 11:24)




Topic

Roman Catholicism

Scripture

Church structure

Hierarchical: Pope → Bishops → Priests → Laity

The early church had elders and deacons (Phil. 1:1; 1 Tim. 3)

The "One True Church"

Roman Catholic Church claims to be the only true church

The true Church is the body of all believers in Christ (Eph. 1:22–23)




Topic

Roman Catholicism

Scripture

Purgatory

A place of purification before heaven

Not found in the Bible; Heb. 9:27 says judgment follows death

Prayers for the dead

Encouraged, especially for souls in purgatory

No biblical support for post-death prayers

Heaven/Hell

Eternal states; purgatory in between

Heaven and hell are eternal (Matt. 25:46); no purgatory mentioned