Westminster Shorter Catechism

Q33

What is justification?

Justification is an act of God’s free grace91, wherein he pardoneth all our sins92, and accepteth us as righteous in His sight93, only for the righteousness of Christ imputed to us94, and received by faith alone95.
Doctrine
Ch. XI Of Justification

Scripture Proofs

91
Romans 3:24
92
Romans 4:6-82 Corinthians 5:19
93
2 Corinthians 5:21
94
Romans 4:6Romans 4:11Romans 5:19
95
Galatians 2:16Philippians 3:9