Hebrews 12:20

for they could not bear to think of the command-- 'If even an animal touches the mountain, it is to be stoned to death;'

Romans 3:19-20

Now we know that everything said in the Law is addressed to those who are under its authority, in order that every mouth may be closed, and the whole world become liable to the judgment of God.

Galatians 2:19

I, indeed, through Law became dead to Law, in order to live for God.

Galatians 3:10

All who rely upon obedience to Law are under a curse, for Scripture says--'Cursed is every one who does not abide by all that is written in the Book of the Law, and do it.'

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:

Bible References

For they

Romans 3:19
Now we know that everything said in the Law is addressed to those who are under its authority, in order that every mouth may be closed, and the whole world become liable to the judgment of God.
Galatians 2:19
I, indeed, through Law became dead to Law, in order to live for God.
Galatians 3:10
All who rely upon obedience to Law are under a curse, for Scripture says--'Cursed is every one who does not abide by all that is written in the Book of the Law, and do it.'