In Ephesians 6:5-7, slaves are called to serve wholeheartedly — this completes the instruction, balancing the slave's duty with the master's.

In Colossians 4:1, Paul gives the same command to masters: treat slaves justly, knowing you have a Master in heaven — a near-identical parallel.

Luke 6:31 states the Golden Rule — treat others as you wish — which directly underlies Paul's command for masters to treat slaves with respect.

In Malachi 3:5, God promises swift judgment against those who oppress hired workers — directly reinforcing Ephesians 6:9's warning about God as Master.

Acts 10:34 explicitly states God shows no favoritism, directly supporting the same truth in Ephesians 6:9.

Romans 2:11 also says God does not show favoritism, reinforcing the impartiality theme in Ephesians 6:9.

Colossians 3:25 warns of divine repayment without favoritism, connecting to Ephesians 6:9's reminder that God judges without partiality.

In Job 31:13-15, Job argues that master and servant share the same Creator — the exact reasoning behind Ephesians 6:9's call to not threaten.

In James 5:4, the cries of defrauded laborers reach the Lord — echoing the divine witness that Ephesians 6:9 says is impartial.

Leviticus 25:43 commands not ruling slaves ruthlessly but fearing God — directly parallels Paul's instruction not to threaten.

In 2 Chronicles 19:7, God is described as having no partiality — the same truth Paul applies to masters and slaves here.

Job 34:19 declares God shows no partiality to the rich or powerful, reinforcing Paul's call for masters to stop threatening.

Deuteronomy 10:17 declares God shows no partiality, a direct parallel to Ephesians 6:9's 'no favoritism'.

Deuteronomy 1:17 commands judges not to show partiality, directly aligning with God's impartial nature in Ephesians 6:9.

1 Peter 1:17 calls God the impartial judge — the same foundation Paul uses to urge fair treatment of slaves.

1 Peter 2:23 shows Christ not threatening but entrusting to the just Judge — the very attitude Paul commands masters.

Nehemiah 5:8 rebukes Jews for selling brothers into slavery—a direct OT condemnation of oppressive slave practices.

In Amos 8:4-7, God declares he will not forget those who trample the poor — a warning that supports Ephesians 6:9's reminder of God's impartial judgment.

In Matthew 7:12, the Golden Rule sums up the Law — Ephesians 6:9 applies it specifically to how masters should treat slaves.

James 2:13 warns that mercy triumphs over judgment — echoing the impartiality and forbearance Paul commands for masters.

James 2:8 cites 'love your neighbor as yourself' as the royal law — the same principle Paul applies to masters' treatment of slaves.

In Isaiah 47:6, Babylon shows no mercy to God's people — a warning parallel to Ephesians 6:9's command not to threaten servants.

In Isaiah 58:3-6, God condemns oppressing workers while fasting — reinforcing the call to treat laborers justly as in Ephesians 6:9.

Exodus 30:15 requires equal offering from rich and poor, illustrating God's impartiality—similar to no favoritism in Ephesians 6:9.

In Ecclesiastes 5:8, the same principle applies: earthly authorities are accountable to a higher authority, reinforcing that masters have a Master in heaven.

Psalm 140:12 affirms God defends the afflicted — underlying Paul's reminder that the heavenly Master is impartial and cares for slaves.

In Job 24:10-12, the oppressed workers groan under injustice — a situation Ephesians 6:9 is meant to prevent.

Nehemiah 5:8 rebukes enslaving fellow Jews—the kind of oppression Paul warns masters against.

Nehemiah 5:5 laments Jews enslaving their own people—an example of oppressive treatment Paul's instruction counters.

Deuteronomy 24:14 prohibits oppressing a hired worker—similar to Paul's command for masters to treat slaves justly.

Leviticus 25:39-46 gives laws on treating Israelite slaves with care—echoed in Paul's admonition to masters to stop threatening.

Leviticus 19:13 commands not oppressing a hired worker—a direct OT parallel to masters not threatening bondservants.