Romans 6:17 speaks of obedience to a standard of teaching, just as Romans 2:20 says the law is the embodiment of knowledge and truth.

2 Timothy 3:5 describes those with a form of godliness but denying power, matching the Jew who boasts in the law but fails to keep it in Romans 2.

Titus 1:16 says they profess to know God but deny by works, exactly the hypocrisy Paul exposes in the Jew who teaches others yet transgresses.

James 3:1 warns that teachers will be judged more strictly — directly relevant to the instructor in Romans 2:20 who faces scrutiny for his deeds.

Matthew 11:25 contrasts God revealing to infants with the blind teachers of infants in Romans 2:20 — true wisdom is from God, not human boasting.

Matthew 5:14 calls believers light of the world, while Romans 2:19-20 ironically claims the Jew is a light to those in darkness — same metaphor, different subjects.

1 Corinthians 3:1 addresses Corinthians as infants in Christ, mirroring the infant metaphor in Romans 2:20 but from a pastoral perspective of spiritual immaturity.

2 Timothy 1:13 calls for holding to a pattern of sound words, parallel to the law as the form of knowledge in Romans 2:20.

Hebrews 5:13 uses milk for the immature, echoing the infant teacher imagery in Romans 2:20 to highlight the need for growth beyond basic teaching.