Deuteronomy 25:4 is the exact Law quoted here—the command not to muzzle an ox—providing the OT foundation for Paul's argument about workers.

In Psalm 147:9, God gives food to beasts and ravens — a direct parallel to His care for oxen in Paul's citation.

In Jonah 4:11, God pities cattle in Nineveh, showing His concern for animals just as in the oxen law.

In Matthew 6:26-30, Jesus argues from God feeding birds to trust — same 'lesser to greater' logic Paul uses for oxen.

In Luke 12:24-28, parallel to Matthew 6, God's care for ravens and lilies supports Paul's principle of divine provision for creatures.

1 Timothy 5:18 quotes the same Deuteronomy 25:4 command, applying it to church workers, confirming Paul's consistent use of this principle.

Isaiah 30:24 promises well-fed oxen that work the ground — directly echoing the principle of not muzzling the threshing ox.

Matthew 10:31 affirms humans are more valuable than sparrows — supporting Paul's claim that the ox law is ultimately for people's sake.

Romans 15:4 states OT was written for our instruction — validating Paul's method of applying an ox law to Christian ministry.

Galatians 6:6 commands sharing good things with teachers — directly parallel to Paul's conclusion that workers deserve support.

Proverbs 14:4 shows that the ox's labor brings profit despite mess — supporting Paul's argument that workers deserve reward.