Another matter, “behold [hen], your days are approaching” – why was death decreed upon him with this expression, hen? The Rabbis say: To what is the matter comparable? It is to one who honored the king and brought him a gift, a sharp sword. The king said: ‘Behead him with it.’
That person said to him: ‘My lord the king, with what I honored you, you are beheading me?’ So, Moses said: ‘Master of the universe, I lauded you with hen, as so it is written: “Behold [hen], to the Lord your God are the heavens, and the heavens of heavens…” (Deuteronomy 10:14), and with hen you are decreeing death upon me?’ The Holy One blessed be He said to him: ‘A bad neighbor sees the incomes but does not see the expenditures.’
He said to him: ‘Do you not remember when I sent you to redeem them from Egypt, and you said to me: “But, behold [hen], they will not believe me”?’ (Exodus 4:1). That is, “behold [hen], your days are approaching.”