פּירוש אויף שמות 3:4

ויאמר הנני, “He said: “I am at Your disposal.” G–d responded that though you showed your preparedness with the same word as your forefather Avraham when I called upon him, (to offer his son to Me as a sacrifice) this is not what I come to ask of you. We know from Proverbs 25,6: במקום גדולים אל תעמוד, “do not stand in the place of great men.” (do not aspire to be important actively or passively) Aaron was commanded to come close to holy sites, the altar, (Leviticus 9,7) Not so Moses. He had to shun a holy site. Neither was allowed to aspire to Royalty, as opposed to David. He acknowledged that G–d had brought him הלום, instead of as Moses: אל תקרב הלום. (Compare Samuel II 7,18 and Sh’mot Rabbah 2,6)

וירא ה', the angel, who is called “G’d,” seeing he is carrying out G’d’s assignment.

וירא ה' כי סר לראות, When G’d saw that Moses took a deeper interest in the phenomenon,