In James 2:1-4, the same sin of partiality is illustrated with the rich and poor — here it is condemned as transgression of the law.

Leviticus 19:15 is the OT law against partiality that James quotes — showing favoritism violates this command.

Romans 3:20 states the law gives knowledge of sin — parallel to James's point that partiality convicts as a transgressor.

Romans 7:7-13 explains the law defines and exposes sin — echoing James's claim that partiality makes one a transgressor.

1 John 3:4 defines sin as lawlessness, reinforcing James' claim that partiality is transgression of the law.

Deuteronomy 1:17 is the OT command against partiality that James references as the law convicting the partial.

Job 13:10 warns God rebukes secret partiality, directly supporting James' condemnation.

John 7:24 instructs not to judge by appearances, directly paralleling James' prohibition of partiality.

Acts 10:34 states God shows no partiality, affirming the basis for James' condemnation.

Galatians 3:10 quotes the curse on those who fail to do all the law, underscoring the same principle of universal transgression James applies to partiality.