Bible Verses About Threshing: Of the labours of ministers

For it is written in the Law of Moses: “Do not muzzle an ox while it is treading out the grain.” Is it about oxen that God is concerned?

Isn’t He actually speaking on our behalf? Indeed, this was written for us, because when the plowman plows and the thresher threshes, they should also expect to share in the harvest.