Deuteronomy 25:4 You shall not muzzle the ox when he treads out the corn. Torrey's Topical Textbook
1 Corinthians 9:9 For it is written in the law of Moses, You shall not muzzle the mouth of the ox that treads out the corn. Does God take care for oxen? Torrey's Topical Textbook
1 Timothy 5:18 For the scripture said, You shall not muzzle the ox that treads out the corn. And, The laborer is worthy of his reward. Torrey's Topical Textbook