In this video listen to Deuteronomy 25 read by David Alley, followed by comments and prayer.

In Deuteronomy 25 we find an interesting verse about oxen that is quoted several times by Paul in the NT. This was a verse Paul quoted in 1 Timothy 5:18 and in 1 Corinthians 9 which he used to say that a preacher should get paid for his work, and not be expected to work without being fed. People wouldn't typically muzzle their own ox because they have to feed it anyway, and a healthy ox performs better than a starved one.

Justin Taylor of the gospel coalition writes that this rule cuts in when an ox is borrowed or leased. The user has no regard for the ox, but wants to harvest as much of his own  ...