But he added: “You cannot see my face, for no man can see me and live.”
This makes reasonable sense, because the One who created not only our powerful sun which supplies the energy to the earth that makes life possible, but also all of the stars, most of which are much bigger than our sun.
Also, if we gaze at the sun for a period of time, we can actually damage our eyes. So how can we see God, when we can't even look at the sun, which is 92 million miles away, for more than a few seconds? Compared to the awesome power of our universe, we are woefully fragile physically.