Deuteronomy 21:3

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

Numbers 19:2

This is the statute of the law which Jehovah 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.

Jeremiah 31:18

I have surely heard Ephraim bemoaning himself thus , Thou hast chastised me, and I was chastised, as a calf unaccustomed to the yoke : turn thou me, and I shall be turned; for thou art Jehovah my God.

Matthew 11:28-30

Come unto me, all ye that labor and are heavy laden, and I will give you rest.

Philippians 2:8

and being found in fashion as a man, he humbled himself, becoming obedient even unto death, yea, the death of the cross.

Treasury of Scripture Knowledge

Summary

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;

Bible References

An

Numbers 19:2
This is the statute of the law which Jehovah 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.
Jeremiah 31:18
I have surely heard Ephraim bemoaning himself thus , Thou hast chastised me, and I was chastised, as a calf unaccustomed to the yoke : turn thou me, and I shall be turned; for thou art Jehovah my God.
Matthew 11:28
Come unto me, all ye that labor and are heavy laden, and I will give you rest.
Philippians 2:8
and being found in fashion as a man, he humbled himself, becoming obedient even unto death, yea, the death of the cross.

American Standard Version Public Domain