Old Testament · Prophecy

Isaiah 58

The Fast God Wants

Is not this the fast I choose: to loose the bonds of injustice, to share your bread with the hungry? Real worship changes the world.

King James Version BSB KJV

1Cry aloud, spare not, lift up thy voice like a trumpet, and shew my people their transgression, and the house of Jacob their sins.

2Yet they seek me daily, and delight to know my ways, as a nation that did righteousness, and forsook not the ordinance of their God: they ask of me the ordinances of justice; they take delight in approaching to God.

3Wherefore have we fasted, say they, and thou seest not? wherefore have we afflicted our soul, and thou takest no knowledge? Behold, in the day of your fast ye find pleasure, and exact all your labours.

4Behold, ye fast for strife and debate, and to smite with the fist of wickedness: ye shall not fast as ye do this day, to make your voice to be heard on high.

5Is it such a fast that I have chosen? a day for a man to afflict his soul? is it to bow down his head as a bulrush, and to spread sackcloth and ashes under him? wilt thou call this a fast, and an acceptable day to the LORD?

6Is not this the fast that I have chosen? to loose the bands of wickedness, to undo the heavy burdens, and to let the oppressed go free, and that ye break every yoke?

7Is it not to deal thy bread to the hungry, and that thou bring the poor that are cast out to thy house? when thou seest the naked, that thou cover him; and that thou hide not thyself from thine own flesh?

8Then shall thy light break forth as the morning, and thine health shall spring forth speedily: and thy righteousness shall go before thee; the glory of the LORD shall be thy rereward.

9Then shalt thou call, and the LORD shall answer; thou shalt cry, and he shall say, Here I am. If thou take away from the midst of thee the yoke, the putting forth of the finger, and speaking vanity;

10And if thou draw out thy soul to the hungry, and satisfy the afflicted soul; then shall thy light rise in obscurity, and thy darkness be as the noonday:

11And the LORD shall guide thee continually, and satisfy thy soul in drought, and make fat thy bones: and thou shalt be like a watered garden, and like a spring of water, whose waters fail not.

12And they that shall be of thee shall build the old waste places: thou shalt raise up the foundations of many generations; and thou shalt be called, The repairer of the breach, The restorer of paths to dwell in.

13If thou turn away thy foot from the sabbath, from doing thy pleasure on my holy day; and call the sabbath a delight, the holy of the LORD, honourable; and shalt honour him, not doing thine own ways, nor finding thine own pleasure, nor speaking thine own words:

14Then shalt thou delight thyself in the LORD; and I will cause thee to ride upon the high places of the earth, and feed thee with the heritage of Jacob thy father: for the mouth of the LORD hath spoken it.

Understand This

Isaiah 58, explained

What Isaiah 58 is saying

The people fast and wonder why God does not respond. The answer: their fasting is self-serving while they exploit their workers. True fasting means loosing chains of injustice, feeding the hungry, sheltering the homeless, and clothing the naked. If they do this, their light will break forth like dawn and God will answer when they call. The chapter also addresses Sabbath-keeping as delight rather than duty.

The background behind it

Post-exilic Judah maintained fastidious religious observance but neglected social justice. This oracle stands in the tradition of Amos 5, Micah 6, and Isaiah 1 in subordinating ritual to ethical behavior.

Themes running underneath

Worship that ignores injustice is not just incomplete—it is offensive to God. True religion is measured by how it treats the vulnerable. The Sabbath reframed as delight rather than burden reflects the broader prophetic vision of joyful obedience.

Why it still matters

Before asking why God seems silent, examine whether your devotional life is connected to how you treat the people around you. Justice and worship are inseparable.

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Scripture text: King James Version — public domain.