Romans 3:2 notes that Jews were entrusted with God's oracles—the source of the instruction from the law in Romans 2:18.

Romans 15:4 emphasizes that Scripture was written for instruction — the same 'instructed from the law' source of knowing God's will.

Romans 7:1 addresses those who know the law—the same group described in Romans 2:18 as instructed from the law.

Nehemiah 9:13 recounts God giving just laws from Sinai, reinforcing that the law the Jew is instructed from is truly good.

2 Timothy 3:15-17 affirms Scripture's role in teaching and training for righteousness—the same foundation for knowing God's will in Romans 2:18.

Philippians 1:10 uses the identical phrase 'approve what is excellent', showing Paul's consistent teaching on moral discernment.

1 Corinthians 8:1 warns that knowledge puffs up, directly addressing the pride that can come from knowing God's will as the Jew does.

John 13:17 says blessing comes from doing what you know, implying knowledge alone is insufficient — a key point in Paul's argument.

Luke 12:47 shows that knowing the master's will brings greater accountability, underlining the responsibility of those instructed in the law.

Psalm 147:20 emphasizes that no other nation received God's ordinances, highlighting the Jew's unique privilege in knowing His will.

Psalm 147:19 declares God revealed His statutes to Jacob, directly echoing the Jew's claim of being instructed from the law.

Deuteronomy 4:8 praises the law as uniquely righteous, underscoring the privilege the Jew boasts in — a righteous standard indeed.

Titus 1:16 condemns professing to know God but denying by works—mirroring the hypocrisy of knowing the law in Romans 2:18.

Hebrews 5:14 describes mature discernment trained to distinguish good from evil — the very skill of approving what is excellent.

James 4:17 ties knowledge of the right thing to the responsibility of doing it — a direct moral application of knowing God's will.

In Proverbs 6:23, the commandment is a lamp—parallel to being instructed from the law to know God's will in Romans 2:18.

Psalm 119:105 pictures God's word as a lamp guiding the path — the same divine instruction that reveals His will in Romans 2:18.

Psalm 119:104 links understanding God's precepts to hating false ways — the discerning side of approving what is excellent.

Psalm 119:98-100 credits God's commandments with giving wisdom and understanding beyond human teachers — the source of knowing His will.

Psalm 19:8 declares God's precepts right and enlightening — the foundation for the law-based knowledge and approval in Romans 2:18.

1 Thessalonians 5:21 expands on testing and holding fast to what is good — the same process of discerning excellence.