1 Timothy 5:18 in the King James Version
For the scripture saith, Thou shalt not muzzle the ox that treadeth out the corn. And, The labourer is worthy of his reward.
Context
17 Let the elders who rule well be counted worthy of double honor, especially those who labor in the word and in teaching.
18 For the Scripture says, “You shall not muzzle the ox when it treads out the grain.” And, “The laborer is worthy of his wages.”
19 Don’t receive an accusation against an elder except at the word of two or three witnesses.