Exodus 19:12

And you will establish limits for the people all around, and you will say to them: ‘Take care not to ascend to the mountain, and that you do not touch its parts. All who touch the mountain, shall die a death.

Other versions

King James Version

And thou shalt set bounds unto the people round about, saying, Take heed to yourselves, that ye go not up into the mount, or touch the border of it: whosoever toucheth the mount shall be surely put to death:

English Standard Version

And you shall set limits for the people all around, saying, 'Take care not to go up into the mountain or touch the edge of it. Whoever touches the mountain shall be put to death.

New International Version

Put limits for the people around the mountain and tell them, 'Be careful that you do not go up the mountain or touch the foot of it. Whoever touches the mountain shall surely be put to death.