Hebrews 12:20

for they could not stand that which was commanded, "If even an animal touches the mountain, it shall be stoned;"

Exodus 19:12-13

You shall set bounds to the people all around, saying, 'Be careful that you don't go up onto the mountain, or touch its border. Whoever touches the mountain shall be surely put to death.

Exodus 19:16

It happened on the third day, when it was morning, that there were thunders and lightnings, and a thick cloud on the mountain, and the sound of an exceedingly loud trumpet; and all the people who were in the camp trembled.

Deuteronomy 33:2

He said, "Yahweh came from Sinai, And rose from Seir to them. He shone forth from Mount Paran. He came from the ten thousands of holy ones. At his right hand was a fiery law for them.

Romans 3:19-20

Now we know that whatever things the law says, it speaks to those who are under the law, that every mouth may be closed, and all the world may be brought under the judgment of God.

Galatians 2:19

For I, through the law, died to the law, 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 doesn't continue in all things that are written in the book of the law, to do 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, "Yahweh came from Sinai, And rose from Seir to them. He shone forth from Mount Paran. He came from the ten thousands of holy ones. At his right hand was a fiery law for them.
Romans 3:19
Now we know that whatever things the law says, it speaks to those who are under the law, that every mouth may be closed, and all the world may be brought under the judgment of God.
Galatians 2:19
For I, through the law, died to the law, 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 doesn't continue in all things that are written in the book of the law, to do them."

If so much

Exodus 19:13
No hand shall touch him, but he shall surely be stoned or shot through; whether it is animal or man, he shall not live.' When the trumpet sounds long, they shall come up to the mountain."

General references

Exodus 34:3
No one shall come up with you; neither let anyone be seen throughout all the mountain; neither let the flocks nor herds feed before that mountain."
Deuteronomy 5:23
It happened, when you heard the voice out of the midst of the darkness, while the mountain was burning with fire, that you came near to me, even all the heads of your tribes, and your elders;