An excerpt from the festival prayers.

Our sages relate that when the people of Israel stood at Sinai and G-d spoke the Ten Commandments, so overwhelming was the experience that "with each and every utterance, their souls flew from their bodies."

We can perhaps envision "being blown" away by an utterance such as "I am the L-rd your G-d."  But what of such pedestrian commandments as "Honor your father and your mother" and "Do not steal"?  Other than the fact that they were spoken by G-d, there seems nothing divine or transcendent about them.  Indeed, need G-d descend upon a mountaintop for us to appreciate the necessity of these laws?