Hebrews 12:20

For they could not bear the command, “If even a beast touches the mountain, it will be stoned.”

Exodus 19:12-13

You shall set bounds for the people all around, saying, ‘Beware that you do not go up on the mountain or touch the border of it; whoever touches the mountain shall surely be put to death.

Exodus 19:16

So it came about on the third day, when it was morning, that there were thunder and lightning flashes and a thick cloud upon the mountain and a very loud trumpet sound, so that all the people who were in the camp trembled.

Deuteronomy 33:2

He said,
The Lord came from Sinai,
And dawned on them from Seir;
He shone forth from Mount Paran,
And He came from the midst of ten thousand holy ones;
At His right hand there was flashing lightning for them.

Romans 3:19-20

Now we know that whatever the Law says, it speaks to those who are under the Law, so that every mouth may be closed and all the world may become accountable to God;

Galatians 2:19

For through the Law I died to the Law, so that I might live to God.

Galatians 3:10

For as many as are of the works of the Law are under a curse; for it is written, “Cursed is everyone who does not abide by all things written in the book of the law, to perform them.”

Treasury of Scripture Knowledge

Summary

(For they could not endure that which was commanded, And if so much as a beast touch the mountain, it shall be stoned, or thrust through with a dart:

If so much

General references

Bible References

For they

Deuteronomy 33:2
He said,
The Lord came from Sinai,
And dawned on them from Seir;
He shone forth from Mount Paran,
And He came from the midst of ten thousand holy ones;
At His right hand there was flashing lightning for them.
Romans 3:19
Now we know that whatever the Law says, it speaks to those who are under the Law, so that every mouth may be closed and all the world may become accountable to God;
Galatians 2:19
For through the Law I died to the Law, so that I might live to God.
Galatians 3:10
For as many as are of the works of the Law are under a curse; for it is written, “Cursed is everyone who does not abide by all things written in the book of the law, to perform them.”

If so much

Exodus 19:13
No hand shall touch him, but he shall surely be stoned or shot through; whether beast or man, he shall not live.’ When the ram’s horn sounds a long blast, they shall come up to the mountain.”

General references

Exodus 34:3
No man is to come up with you, nor let any man be seen anywhere on the mountain; even the flocks and the herds may not graze in front of that mountain.”
Deuteronomy 5:23
And when you heard the voice from the midst of the darkness, while the mountain was burning with fire, you came near to me, all the heads of your tribes and your elders.