The Israelites thought fasting would give them some leverage against God: “If we fast, then You must answer our prayers.” God, through the prophet Isaiah, challenges this view. With His own “if-then” statements, God shows how fasting is the action of a righteous people living out their faith. When believers live out their faith, they are salt and light to the world, and it is felt and experienced by those around them. Today, let us look at three truths from Isaiah 58 about God’s call to His people.