In the sight of all the people — Though they should see no manner of similitude, yet they should see so much as would convince them, that God was among them of a truth. And so high was the top of Mount Sinai, that it is supposed not only the camp of Israel, but even the countries about might discern some extraordinary appearance of glory upon it.
Related Commentaries of Exodus 19:11
Exodus 19:11
11 And be ready against the third day: for the third day the LORD will come down in the sight of all the people upon mount Sinai.