John Gills Exposition of the Bible Commentary - Isaiah 58:5
Is it such a fast that I have chosen ?.... That is, can this be thought to be a fast approved of by me, and acceptable to me, before described, and is as follows: a day for a man to afflict his soul ? only to appoint a certain day, and keep that, by abstaining from bodily food, and so for a short time afflict himself; or only after this manner to afflict himself, and not humble himself for his sins, and abstain from them, and do the duties of justice and charity incumbent on him: is... read more
Matthew Henry's Complete Commentary - Isaiah 58:3-7
Here we have, I. The displeasure which these hypocrites conceived against God for not accepting the services which they themselves had a mighty opinion of (Isa. 58:3): Wherefore have we fasted, say they, and thou seest not? Thus they went in the way of Cain, who was angry at God, and resented it as a gross affront that his offering was not accepted. Having gone about to put a cheat upon God by their external services, here they go about to pick a quarrel with God for not being pleased with... read more