Hebrews 12:20

For the order which said, If the mountain is touched even by a beast, the beast is to be stoned, seemed hard to them;

Exodus 19:12-13

And let limits be marked out for the people round the mountain, and say to them, Take care not to go up the mountain or near the sides of it: whoever puts his foot on the mountain will certainly come to his death:

Exodus 19:16

And when morning came on the third day, there were thunders and flames and a thick cloud on the mountain, and a horn sounding very loud; and all the people in the tents were shaking with fear.

Deuteronomy 33:2

He said, The Lord came from Sinai, dawning on them from Seir; shining out from Mount Paran, coming from Meribath Kadesh: from his right hand went flames of fire: his wrath made waste the peoples.

Romans 3:19-20

Now, we have knowledge that what the law says is for those who are under the law, so that every mouth may be stopped, and all men may be judged by God:

Galatians 2:19

For I, through the law, have become dead to the law, so that I might be living to God.

Galatians 3:10

For all who are of the works of the law are under a curse: because it is said in the Writings, A curse is on everyone who does not keep on doing all the things which are ordered in the book of the law.

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, dawning on them from Seir; shining out from Mount Paran, coming from Meribath Kadesh: from his right hand went flames of fire: his wrath made waste the peoples.
Romans 3:19
Now, we have knowledge that what the law says is for those who are under the law, so that every mouth may be stopped, and all men may be judged by God:
Galatians 2:19
For I, through the law, have become dead to the law, so that I might be living to God.
Galatians 3:10
For all who are of the works of the law are under a curse: because it is said in the Writings, A curse is on everyone who does not keep on doing all the things which are ordered in the book of the law.

If so much

Exodus 19:13
He is not to be touched by a hand, but is to be stoned or have an arrow put through him; man or beast, he is to be put to death: at the long sounding of a horn they may come up to the mountain.

General references

Exodus 34:3
No one is to come up with you, and let no man be seen anywhere on the mountain; let no flocks or herds come near to get their food at its foot.
Deuteronomy 5:23
And after hearing the voice which came out of the dark while the mountain was burning with fire, all the heads of your tribes and your chiefs came to me,

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain