6 “Isn’t this the fast that I have chosen: to loose the bonds of wickedness, to undo the bands of the yoke, and to let the oppressed go free, and that you break every yoke? 7 Isn’t it to distribute your bread to the hungry, and that you bring the poor who are cast out to your house? When you see the naked, that you cover him; and that you not hide yourself from your own flesh?
8 Then your light shall break forth as the morning, and your healing shall spring forth speedily; and your righteousness shall go before you; the glory of Yahweh shall be your rear guard. 9 Then you shall call, and Yahweh will answer; you shall cry, and he will say, ‘Here I am.’
“If you take away from the midst of you the yoke, the putting forth of the finger, and speaking wickedly; 10 and if you draw out your soul to the hungry, and satisfy the afflicted soul: then your light shall rise in darkness, and your obscurity be as the noonday; 11 and Yahweh will guide you continually, and satisfy your soul in dry places, and make strong your bones; and you shall be like a watered garden, and like a spring of water, whose waters don’t fail. 12 Those who shall be of you shall build the old waste places; you shall raise up the foundations of many generations; and you shall be called The repairer of the breach, The restorer of paths to dwell in.
Matthew Henry's Commentary on Isaiah 58:6-12
Commentary on Isaiah 58:3-12
(Read Isaiah 58:3-12)
A fast is a day to afflict the soul; if it does not express true sorrow for sin, and does not promote the putting away of sin, it is not a fast. These professors had shown sorrow on stated or occasioned fasts. But they indulged pride, covetousness, and malignant passions. To be liberal and merciful is more acceptable to God than mere fasting, which, without them, is vain and hypocritical. Many who seem humble in God's house, are hard at home, and harass their families. But no man's faith justifies, which does not work by love. Yet persons, families, neighbourhoods, churches, or nations, show repentance and sorrow for sin, by keeping a fast sincerely, and, from right motives, repenting, and doing good works. The heavy yoke of sin and oppression must be removed. As sin and sorrow dry the bones and weaken the strongest human constitution; so the duties of kindness and charity strengthen and refresh both body and mind. Those who do justly and love mercy, shall have the comfort, even in this world. Good works will bring the blessing of God, provided they are done from love to God and man, and wrought in the soul by the Holy Spirit.