Deuteronomy 25:4 is the OT law quoted here — 'not muzzle an ox' to support paying ministers.

Matthew 10:10 records Jesus saying 'the laborer deserves his wages' — the exact phrase Paul quotes here.

Luke 10:7 is the source Paul quotes directly — Jesus' statement that workers deserve their wages, used here to support paying ministers.

1 Corinthians 9:9 also quotes Deuteronomy 25:4 to argue workers deserve support — same principle.

1 Corinthians 9:10 explains the ox law applies to human laborers — directly supports the wage principle here.

Numbers 18:31 directly states the Levites' tithe is their wages for serving in the tabernacle — a clear OT parallel to paying gospel workers.

Nehemiah 13:10 shows Levites abandoning service because their portions were withheld — illustrating the consequence of violating the worker-wage principle.

In 1 Corinthians 9:4, Paul argues that apostles have the right to material support, echoing the same principle of workers deserving wages.

Galatians 6:6 instructs sharing good things with teachers, reinforcing the same principle of supporting those who labor in teaching.

Leviticus 19:13 commands prompt payment of wages — a related OT labor law that echoes the same justice.

Deuteronomy 24:15 requires same-day payment for workers — reinforcing that laborers deserve their wages.

Deuteronomy 24:14 forbids oppressing hired workers — a broader OT command about fair treatment of laborers.