John Gills Exposition of the Bible Commentary - Isaiah 58:4
Behold, ye fast for strife and debate ,.... Brawling with their servants for not doing work enough; or quarrelling with their debtors for not paying their debts; or the main of their religion lay in contentions and strifes about words, vain hot disputations about rites and ceremonies in worship, as is well known to have been the case of the reformed churches: and to smite with the fist of wickedness ; their servants or their debtors; or rather it may design the persecution of such whose... 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