Deuteronomy 21:3

and it shall be, that the city which is nearest to the slain man, even the elders of that city shall take a heifer of the herd, which has not been worked with, and which has not drawn in the yoke,

Numbers 19:2

This is the statute of the law which LORD has commanded, saying, Speak to the sons of Israel, that they bring thee a red heifer without spot, in which is no blemish, [and] upon which a yoke never came.

Jeremiah 31:18

I have surely heard Ephraim bemoaning himself [saying], Thou have chastised me, and I was chastised as a calf unaccustomed [to the yoke]. Turn thou me back, and I shall be turned back, for thou are LORD my God.

Matthew 11:28-30

Come to me, all ye who labor and have been burdened, and I will give you rest.

Philippians 2:8

And having been found in a form like a man, he lowered himself, having become obedient until death, even of death from a 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

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Numbers 19:2
This is the statute of the law which LORD has commanded, saying, Speak to the sons of Israel, that they bring thee a red heifer without spot, in which is no blemish, [and] upon which a yoke never came.
Jeremiah 31:18
I have surely heard Ephraim bemoaning himself [saying], Thou have chastised me, and I was chastised as a calf unaccustomed [to the yoke]. Turn thou me back, and I shall be turned back, for thou are LORD my God.
Matthew 11:28
Come to me, all ye who labor and have been burdened, and I will give you rest.
Philippians 2:8
And having been found in a form like a man, he lowered himself, having become obedient until death, even of death from a cross.