Original Verse:
Deuteronomy Chapter 25 Verse 4Thou shalt not muzzle the ox when he treadeth out [the grain].

Reference Verses:
Proverbs Chapter 12 Verse 10A righteous man regardeth the life of his beast; But the tender mercies of the wicked are cruel.
1st Corinthians Chapter 9 Verse 9For it is written in the law of Moses, Thou shalt not muzzle the ox when he treadeth out the corn. Is it for the oxen that God careth,
1st Timothy Chapter 5 Verse 18For the scripture saith, Thou shalt not muzzle the ox when he treadeth out the corn. And, The laborer is worthy of his hire.