This document provides a summary and analysis of Isaiah 58:1-12. It examines God's condemnation of hypocritical worship among his people, who were going through the motions of fasting and prayer but without true repentance or care for the oppressed. God explains that true worship requires acts of justice, mercy, and humility. The document places this passage in historical context during the post-exilic period when the temple had been rebuilt but Jerusalem's walls remained in disrepair. It concludes by connecting Isaiah's prophecy to the ultimate salvation God provides through Jesus Christ.