In Acts 14:22, they encourage disciples to continue in faith despite persecutions — same mission as Barnabas's earlier exhortation.

In Acts 13:43, Paul and Barnabas urge believers to continue in grace — a direct parallel to Barnabas earlier exhorting to remain faithful.

In Acts 15:32, Judas and Silas similarly encourage and strengthen the brothers with many words, echoing Barnabas' exhortation to remain faithful.

In John 15:4, Jesus commands abiding in him — the same concept as Barnabas's exhortation to remain faithful with steadfast devotion.

1 John 2:28 exhorts abiding in Christ to have confidence at his coming, directly paralleling the call to remain faithful with steadfast devotion.

2 Peter 3:17 warns against being carried away and losing stability, reinforcing the call to remain faithful and steadfast in purpose.

Hebrews 10:32-39 echoes Barnabas's exhortation, urging believers to endure with confidence and not shrink back from faithful devotion.

In 1 Thess 3:2-5, Paul sends Timothy to strengthen believers in faith amid afflictions — mirroring Barnabas's mission to exhort steadfastness.

Daniel 1:8 shows Daniel's resolve not to defile himself, a concrete example of the steadfast purpose Barnabas exhorts believers to maintain.

Deuteronomy 10:20 commands holding fast to the Lord — the same 'cleaving' as the steadfast devotion exhorted here.

Deuteronomy 30:20 urges holding fast to the Lord who is your life, echoing the call to remain faithful with wholehearted devotion.

Joshua 22:5 exhorts holding fast to the Lord with all your heart, mirroring the steadfast purpose urged on the believers.

Joshua 23:8 says to hold fast to the Lord as you have done, reinforcing the call to continue in faithful devotion.

Psalm 78:8 warns against a heart that was not steadfast — the negative counterpart to Barnabas's call for steadfast devotion here.

Deuteronomy 11:22 commands loving God and holding fast to Him—the same steadfast devotion Barnabas encourages here.

In Titus 2:11, Paul explains the 'grace of God' that Barnabas saw and rejoiced in — it brings salvation.

In 1 Thessalonians 3:8, Paul links his joy to believers 'standing fast in the Lord', mirroring Barnabas's rejoicing at their steadfastness.

In Philippians 4:1, Paul calls believers to 'stand firm in the Lord', echoing Barnabas's exhortation to remain true with steadfast heart.

In 2 Corinthians 8:1, Paul mentions the grace of God given among the Macedonians — the same phrase used here for what Barnabas observed.

In Romans 11:22, Paul warns believers to continue in God's kindness — the same call to persevere that Barnabas urges in Acts 11:23.

Joshua 24:15 calls for choosing to serve the Lord—mirroring Barnabas's exhortation to remain faithful with purpose.

2 Kings 18:6 says Hezekiah held fast to the Lord—directly parallel to Barnabas's call for steadfast devotion to God.

Deuteronomy 4:4 states that those who held fast to the Lord are alive — the identical concept of cleaving to God with steadfast purpose.

1 Chronicles 22:19 exhorts setting heart to seek the Lord—the same purpose of heart Barnabas encourages.

Jeremiah 50:5 says 'let us join ourselves to the Lord in an everlasting covenant' — directly parallels Barnabas's call to remain faithful with steadfast devotion.

Proverbs 4:13 says 'keep hold of instruction; do not let go' — echoing Barnabas's exhortation to hold fast to the Lord with steadfast purpose.

Psalm 119:31 says 'I cling to your testimonies' — the same verb 'cling' (cleave) used in Acts 11:23 for remaining faithful to the Lord.

Nehemiah 10:29 records a covenant to walk in God's law — matching Barnabas's exhortation here to remain faithful to the Lord with steadfast devotion.

Romans 12:9 exhorts holding fast to what is good — a related call to steadfastness, though focused on moral purity rather than faithfulness.

In Colossians 1:23, Paul stresses continuing 'stable and steadfast' in faith, reinforcing Barnabas's call to remain true.

In Hebrews 3:13, the call to 'exhort one another daily' parallels Barnabas's encouraging the believers to remain true.

In 1 Corinthians 1:4, Paul gives thanks for the grace of God given to believers — the same grace Barnabas sees and rejoices over in Acts 11:23.

Isaiah 56:6 speaks of foreigners who join themselves to the Lord — similar language of commitment, but focused on initial joining rather than ongoing faithfulness.