Deuteronomy 21:3

and it hath been, the city which is near unto the slain one, even the elders of that city have taken a heifer of the herd, which hath not been wrought with, which hath not drawn in the yoke,

Numbers 19:2

This is a statute of the law which Jehovah hath commanded, saying, Speak unto the sons of Israel, and they bring unto thee a red cow, a perfect one, in which there is no blemish, on which no yoke hath gone up;

Jeremiah 31:18

I have surely heard Ephraim bemoaning himself, 'Thou hast chastised me, And I am chastised, as a heifer not taught, Turn me back, and I turn back, For thou art Jehovah my God.

Matthew 11:28-30

'Come unto me, all ye labouring and burdened ones, and I will give you rest,

Philippians 2:8

and in fashion having been found as a man, he humbled himself, having become obedient unto death -- death even of 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

An

Numbers 19:2
This is a statute of the law which Jehovah hath commanded, saying, Speak unto the sons of Israel, and they bring unto thee a red cow, a perfect one, in which there is no blemish, on which no yoke hath gone up;
Jeremiah 31:18
I have surely heard Ephraim bemoaning himself, 'Thou hast chastised me, And I am chastised, as a heifer not taught, Turn me back, and I turn back, For thou art Jehovah my God.
Matthew 11:28
'Come unto me, all ye labouring and burdened ones, and I will give you rest,
Philippians 2:8
and in fashion having been found as a man, he humbled himself, having become obedient unto death -- death even of a cross,