As Moses went about his work caring for Jethro's sheep, God confronted him. It was a strange confrontation, in part perhaps because of the intense heat of a dry, deserted land. It was an ordinary place for that part of the world and the event which attracted his attention was a common sight. A desert thorn bush set afire by the dry intense heat was nothing unusual. What caught Moses' attention was the flame continued without the bush being consumed. Whether it is intended for us to see anything miraculous here or not is of little importance. The burning bush was intended to attract Moses' attention, which it did. And, out of the event, came God's message to this man. That was the important thing.
How do you explain beauty, or lovely music, or what inspires love, or God's call to a prophet…