Only the trees which thou knowest that they be not trees for meat, thou shalt destroy and cut them down; and thou shalt build bulwarks against the city that maketh war with thee, until it be subdued.(Deuteronomy 20:20)

If one be found slain in the land which the LORD thy God giveth thee to possess it, lying in the field, and it be not known who hath slain him:(Deuteronomy 21:1)

Then thy elders and thy judges shall come forth, and they shall measure unto the cities which are round about him that is slain:(Deuteronomy 21:2)

And it shall be, that the city which is next unto the slain man, even the elders of that city shall take an heifer, which hath not been wrought with, and which hath not drawn in the yoke;

And the elders of that city shall bring down the heifer unto a rough valley, which is neither eared nor sown, and shall strike off the heifer's neck there in the valley:(Deuteronomy 21:4)

And the priests the sons of Levi shall come near; for them the LORD thy God hath chosen to minister unto him, and to bless in the name of the LORD; and by their word shall every controversy and every stroke be tried:(Deuteronomy 21:5)

And all the elders of that city, that are next unto the slain man, shall wash their hands over the heifer that is beheaded in the valley:(Deuteronomy 21:6)

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Deuteronomy 21:3 - Cross Reference

And being found in fashion as a man, he humbled himself, and became obedient unto death, even the death of the cross. (Philippians 2:8)

I have surely heard Ephraim bemoaning himself thus; Thou hast chastised me, and I was chastised, as a bullock unaccustomed to the yoke: turn thou me, and I shall be turned; for thou art the LORD my God. (Jeremiah 31:18)

This is the ordinance of the law which the LORD hath commanded, saying, Speak unto the children of Israel, that they bring thee a red heifer without spot, wherein is no blemish, and upon which never came yoke: (Numbers 19:2)

Come unto me, all ye that labour and are heavy laden, and I will give you rest. (Matthew 11:28)