Isaiah 58:5

“Is it such a fast that I have chosen? &c.] 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 it to bow down his head as a bulrush; when it is moved with the wind, or bruised, or withered; as if he was greatly depressed and humbled, and very penitent and sorrowful. The Syriac version renders it, “as a…”

“for a man to afflict his soul--The pain felt by abstinence is not the end to be sought, as if it were meritorious; it is of value only in so far as it leads us to amend our ways (Isa 58:6-7). bow . . . head . . . sackcloth--to affect the outward tokens, so as to "appear to men to fast" (Mat 6:17-18; Kg1 21:27; Est 4:3).”

“Is it such a fast that I have chosen? - Is this such a mode of fasting as I have appointed and as I approve? A day for a man to afflict his soul? - Margin, ‘To afflict his soul for a day.’ The reading in the text is the more correct; and the idea is, that the pain and inconvenience experienced by the abstinence from food was not the end in view in fasting. This seems to have been the mistake which they made, that they supposed there was something meritorious in the very pain incurred by such abstinence. Is there not danger of this now? Do we not often feel that there is something meritorious in the very inconveniences which we suffer in our acts of self denial? The important idea in the…”

“Chosen - Approve of, accept, or delight in, by a metonymy, because we delight in what we freely chuse. For a day - This may be understood, either for a man to take a certain time to afflict his soul in, and that either from even to even, Lev 23:32, or from morning to evening, or for a little time. Wilt thou call - Canst thou suppose it to be so? A fast - It being such an one as has nothing in it, but the dumb signs of a fast, nothing of deep humiliation appearing in it, or, real reformation proceeding from it. Acceptable day - A day that God will approve of. Isaiah 58:6”

“58:5 This is a satirical portrayal of the people’s fasting as mere external piety without repentance and righteous acts. Ritualistic and insincere fasting is nothing but pomp. • Wearing burlap and ashes are expressions of sorrow and mourning. • please the Lord? The people erroneously believed that the Lord would bless them, if only they performed the right rituals.”

“it such: Ch2 20:3; Ezr 10:6; Neh 9:1, Neh 9:2; Est 4:3, Est 4:16; Dan. 9:3-19; Zac 7:5 a day for a man to afflict his soul: or, to afflict his soul for a day, Isa 58:3; Lev 16:29 to spread: Kg1 21:27-29; Kg2 6:30; Job 2:8; Jon 3:5-8 an acceptable: Isa 49:8, Isa 61:2; Psa 69:13; Luk 4:19; Rom 12:2; Pe1 2:5 Isaiah 58:6”

“Whilst the people on the fast-day are carrying on their worldly, selfish, everyday business, the fasting is perverted from a means of divine worship and absorption in the spiritual character of the day to the most thoroughly selfish purposes: it is supposed to be of some worth and to merit some reward. This work-holy delusion, behind which self-righteousness and unrighteousness were concealed, is met thus by Jehovah through His prophet: "Can such things as these pass for a fast that I have pleasure in, as a day for a man to afflict his soul? To bow down his head like a bulrush, and spread sackcloth and ashes under him - dost thou call this a fast and an acceptable day for Jehovah? Is not…”