This document summarizes lessons from the biblical prophets Isaiah. It discusses several of Isaiah's prophecies about righteousness, oppression, society, and God's desire to help the oppressed. The document examines what these prophecies teach about pleasing God and living according to cherished values. It explores imagery of people flocking to God, righteousness inheriting the land, and harmony between animals. The document concludes by considering steps to respond to the prophets' critiques and improve modern society.