John Gills Exposition of the Bible Commentary - Isaiah 44:20
He feedeth of ashes ,.... That is, the idolater delights in his idol, pleases himself with seeks comfort and satisfaction from it, fills and feeds himself with hopes and expectations of being helped and delivered by it; but this is all vain hope, a mere delusion; it is as if a man fed on ashes instead of food; it is feeding on that which has no savour nor substance, can yield no nourishment, but, on the contrary, is pernicious and hurtful; and it is like Ephraim's feeding on wind, Hosea... read more
Matthew Henry's Complete Commentary - Isaiah 44:9-20
Often before, God, by the prophet, had mentioned the folly and strange sottishness of idolaters; but here he enlarges upon that head, and very fully and particularly exposes them to contempt and ridicule. This discourse is intended, 1. To arm the people of Israel against the strong temptation they would be in to worship idols when they were captives in Babylon, in compliance with the custom of the country (they being far from the city of their own solemnities) and to humour those who were now... read more