Leviticus 16:2

and Jehovah said to Moses, Speak unto Aaron thy brother, that he come not at all times into the sanctuary inside the veil before the mercy-seat which is upon the ark, that he die not; for I will appear in the cloud upon the mercy-seat.

Exodus 30:10

And Aaron shall make atonement for its horns once in the year: with the blood of the sin-offering of atonement shall he make atonement for it, once in the year, throughout your generations: it is most holy to Jehovah.

1 Kings 8:10-12

And it came to pass when the priests were come out of the holy place, that the cloud filled the house of Jehovah,

Exodus 40:34-35

And the cloud covered the tent of meeting, and the glory of Jehovah filled the tabernacle.

Hebrews 9:25

nor in order that he should offer himself often, as the high priest enters into the holy places every year with blood not his own;

Hebrews 10:19-20

Having therefore, brethren, boldness for entering into the holy of holies by the blood of Jesus,

Exodus 25:17-22

And thou shalt make a mercy-seat of pure gold: two cubits and a half the length thereof, and a cubit and a half the breadth thereof.

Exodus 26:33-34

And thou shalt bring the veil under the clasps, and bring in thither, inside the veil, the ark of the testimony; and the curtain shall make a division to you between the holy place and the holiest of all.

Exodus 40:20-21

And he took and put the testimony into the ark, and put the staves in the ark, and put the mercy-seat above on the ark.

Leviticus 8:35

And ye shall abide at the entrance of the tent of meeting day and night seven days, and keep the charge of Jehovah, that ye die not; for so I am commanded.

Leviticus 16:13

And he shall put the incense upon the fire before Jehovah, that the cloud of the incense may cover the mercy-seat which is upon the testimony, that he die not.

Leviticus 23:27

Also on the tenth of this seventh month is the day of the atonement: a holy convocation shall it be unto you; and ye shall afflict your souls, and present an offering by fire to Jehovah.

Numbers 4:19

but this shall ye do unto them, that they may live, and not die, when they draw near unto the most holy things: Aaron and his sons shall go in, and appoint them every one to his service and to his burden;

Numbers 17:10

And Jehovah said to Moses, Bring Aaron's staff again before the testimony, to be kept as a token for the sons of rebellion, that thou mayest put an end to their murmurings before me, that they may not die.

1 Kings 8:6

And the priests brought in the ark of the covenant of Jehovah to its place, into the oracle of the house, into the most holy place, under the wings of the cherubim;

2 Chronicles 5:14

and the priests could not stand to do their service because of the cloud; for the glory of Jehovah had filled the house of God.

Matthew 27:51

And lo, the veil of the temple was rent in two from the top to the bottom, and the earth was shaken, and the rocks were rent,

Hebrews 4:14-16

Having therefore a great high priest who has passed through the heavens, Jesus the Son of God, let us hold fast the confession.

Hebrews 9:3

but after the second veil a tabernacle which is called Holy of holies,

Hebrews 9:7-8

but into the second, the high priest only, once a year, not without blood, which he offers for himself and for the errors of the people:

Treasury of Scripture Knowledge

Summary

And the LORD said unto Moses, Speak unto Aaron thy brother, that he come not at all times into the holy place within the vail before the mercy seat, which is upon the ark; that he die not: for I will appear in the cloud upon the mercy seat.

The mercy seat

General references

Bible References

He come not

Leviticus 23:27
Also on the tenth of this seventh month is the day of the atonement: a holy convocation shall it be unto you; and ye shall afflict your souls, and present an offering by fire to Jehovah.
Exodus 26:33
And thou shalt bring the veil under the clasps, and bring in thither, inside the veil, the ark of the testimony; and the curtain shall make a division to you between the holy place and the holiest of all.
Exodus 30:10
And Aaron shall make atonement for its horns once in the year: with the blood of the sin-offering of atonement shall he make atonement for it, once in the year, throughout your generations: it is most holy to Jehovah.
Exodus 40:20
And he took and put the testimony into the ark, and put the staves in the ark, and put the mercy-seat above on the ark.
1 Kings 8:6
And the priests brought in the ark of the covenant of Jehovah to its place, into the oracle of the house, into the most holy place, under the wings of the cherubim;
Hebrews 9:3
but after the second veil a tabernacle which is called Holy of holies,
Hebrews 10:19
Having therefore, brethren, boldness for entering into the holy of holies by the blood of Jesus,

That he die not

Leviticus 16:13
And he shall put the incense upon the fire before Jehovah, that the cloud of the incense may cover the mercy-seat which is upon the testimony, that he die not.
Leviticus 8:35
And ye shall abide at the entrance of the tent of meeting day and night seven days, and keep the charge of Jehovah, that ye die not; for so I am commanded.
Numbers 4:19
but this shall ye do unto them, that they may live, and not die, when they draw near unto the most holy things: Aaron and his sons shall go in, and appoint them every one to his service and to his burden;
Numbers 17:10
And Jehovah said to Moses, Bring Aaron's staff again before the testimony, to be kept as a token for the sons of rebellion, that thou mayest put an end to their murmurings before me, that they may not die.
Matthew 27:51
And lo, the veil of the temple was rent in two from the top to the bottom, and the earth was shaken, and the rocks were rent,
Hebrews 4:14
Having therefore a great high priest who has passed through the heavens, Jesus the Son of God, let us hold fast the confession.
Hebrews 10:19
Having therefore, brethren, boldness for entering into the holy of holies by the blood of Jesus,

In the cloud

Exodus 40:34
And the cloud covered the tent of meeting, and the glory of Jehovah filled the tabernacle.
1 Kings 8:10
And it came to pass when the priests were come out of the holy place, that the cloud filled the house of Jehovah,
2 Chronicles 5:14
and the priests could not stand to do their service because of the cloud; for the glory of Jehovah had filled the house of God.

The mercy seat

Exodus 25:17
And thou shalt make a mercy-seat of pure gold: two cubits and a half the length thereof, and a cubit and a half the breadth thereof.

General references

Exodus 40:35
And Moses could not enter into the tent of meeting, for the cloud abode on it, and the glory of Jehovah filled the tabernacle.