4. when the Lord saw that he turned aside to see—The manifestations which God anciently made of Himself were always accompanied by clear, unmistakable signs that the communications were really from heaven. This certain evidence was given to Moses. He saw a fire, but no human agent to kindle it; he heard a voice, but no human lips from which it came; he saw no living Being, but One was in the bush, in the heat of the flames, who knew him and addressed him by name. Who could this be but the Divine Being?

     6-8. I am the God . . . come down to deliver—The reverential awe of Moses must have been relieved by the divine Speaker (see Mt 22:32), announcing Himself in His covenant character, and by the welcome intelligence communicated. Moreover, the time, as well as all the circumstances of this miraculous appearance, were such as to give him an illustrious display of God's faithfulness to His promises. The period of Israel's journey and affliction in Egypt had been predicted (Ge 15:13), and it was during the last year of the term which had still to run that the Lord appeared in the burning bush.