Expository Notes of Dr. Thomas Constable - Isaiah 58:6
The type of fasting that pleases God is: giving up wickedness, oppression, enslavement, and binding of other people-not just food. Isaiah did not mean, of course, that God had no concern about His people going without food (cf. Leviticus 16:31). The prophet was going to the opposite extreme to make a point (cf. Isaiah 1:10-20; Amos 5:25-27; Micah 6:6-8; Luke 14:26)."If they want to deprive themselves, let them do it for the sake of the oppressed, the needy, and the helpless, not for the sake of... read more
Expository Notes of Dr. Thomas Constable - Isaiah 58:5
This was not the type of fasting God approved (cf. Isaiah 1:11; Psalms 51:16-17; Luke 18:9-14). It consisted only in His people bowing their heads, not their hearts. Bowing the head like a reed expresses formal worship, like a reed automatically bending in response to wind. The people sat in sackcloth and ashes, but they did not really mourn over their disobedience to the Lord. They thought their outward fasting, bowing, dressing, and adorning were more important than their attitudes and... read more