Hebrews 12:20

A Kingdom That Cannot Be Shaken

¹⁹ and to the noise of a trumpet, and to the sound of words which those who heard begged [that] not [another] word be spoken to them. ²⁰ For they could not endure what was commanded: "If even an animal touches the mountain, it must be stoned." ²¹ And the spectacle was so terrifying [that] Moses said, "I am terrified and trembling."

Moses

Exodus 19:12-13

And you must set limits [for] the people all around, saying, 'Guard yourselves {against} going up to the mountain and touching its edge. Anyone touching the mountain will certainly be put to death.

Exodus 19:16

{And} on the third day, when it was morning, there was thunder and lightning, and a heavy cloud over the mountain and a very loud ram's horn sound, and all the people who [were] in the camp trembled.

Deuteronomy 33:2

Then he said, "Yahweh came from Sinai, and he dawned upon them from Seir; he shone forth from Mount Paran, and he came with myriads of holy ones, at his right hand a fiery law for them.

Romans 3:19-20

Now we know that whatever the law says, it speaks to those under the law, in order that every mouth may be closed and the whole world may become accountable to God.

Galatians 2:19

For through the law I died to the law, in order that I might live to God. I have been crucified with Christ,

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 [the things] that are written in the book of the law to do them."