Exodus 19:12
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 10:28
And Pharaoh said to him, "Go from me. {Be careful} not to see my face again, because on the day of your seeing my face you will die."
Exodus 19:21
And Yahweh said to Moses, "Go down, warn the people, lest they break through to Yahweh to see and many from them fall.
Exodus 19:23
And Moses said to Yahweh, "The people are not able to go up to Mount Sinai, because you yourself warned us, saying, 'Set limits [around] the mountain and consecrate it.'"
Exodus 34:12
Be careful for yourself, lest you make a covenant with the inhabitants of the land to which you are going, lest it be a snare among you.
Deuteronomy 2:4
and instruct the people, {saying}, "You [are] about to cross [through] the territory of your brothers, the descendants of Esau, who are living in Seir; they will be afraid of you, and [so] be very careful.
Deuteronomy 4:9
"However, {take care} for yourself and watch your inner self closely, so that you do not forget the things that your eyes have seen, so that they do not slip from your mind all the days of your life; and you shall make them known to your children and to {your grandchildren}.
Joshua 3:4
[But] there will be a distance between you and it of about two thousand cubits in measurement. Do not come near it, so that you may know the way that you must go, for you have not passed on [this] way {before}."
Hebrews 12:20-21
For they could not endure what was commanded: "If even an animal touches the mountain, it must be stoned."