Hebrews 9:25

and not that he should often offer up himself in sacrifice, as the high-priest enters every year into the holies with blood not his own,

Hebrews 10:19-20

Having therefore, brethren, entire liberty of entrance into the holies by the blood of Jesus??20 a way, which he hath consecrated for us, newly opened, and giving life, through the vail, that is, his flesh;

Matthew 27:51

And, lo! the vail of the temple was rent in two, from the upper part to the bottom; and the earth was shaken; and the rocks were rent;

Hebrews 4:14-16

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

Hebrews 9:3

But behind the second vail was the tabernacle, called the holy of holies:

Hebrews 9:7-8

but into the second once in every year entered the high-priest alone, not without blood, which he offered for his own inadvertencies, and for those 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.

Bible References

He come not

Hebrews 9:3
But behind the second vail was the tabernacle, called the holy of holies:
Hebrews 10:19
Having therefore, brethren, entire liberty of entrance into the holies by the blood of Jesus??20 a way, which he hath consecrated for us, newly opened, and giving life, through the vail, that is, his flesh;

That he die not

Matthew 27:51
And, lo! the vail of the temple was rent in two, from the upper part to the bottom; and the earth was shaken; and the rocks were rent;
Hebrews 4:14
Having then a great high-priest passed through the heavens, Jesus the Son of God, let us hold fast the confession.
Hebrews 10:19
Having therefore, brethren, entire liberty of entrance into the holies by the blood of Jesus??20 a way, which he hath consecrated for us, newly opened, and giving life, through the vail, that is, his flesh;