Isaiah 58–66 closes the book with some of its brightest chapters. Isaiah 58 redefines fasting and the Sabbath. Isaiah 59 is honest that sin separates us from God, then promises that “the Redeemer shall come to Zion” (59:20). Isaiah 60 begins, “Arise, shine; for thy light is come.” Isaiah 61:1–3 describes One anointed to bind up the brokenhearted and give “beauty for ashes”; Jesus read it in the synagogue at Nazareth and said, “This day is this scripture fulfilled in your ears” (Luke 4:16–21). Chapter 63 pictures the Lord in red garments who has “trodden the winepress alone” (63:3; see Doctrine and Covenants 133:46–51), and chapters 65–66 look to new heavens and a new earth.
This lesson centers on Isaiah 58. The people seem devout: they seek the Lord “daily” and “delight to know my ways” (58:2). Yet they complain, “Wherefore have we fasted… and thou seest not?” (58:3). The Lord’s answer is direct. On their fast days they chase their own business, drive their workers and pick fights (58:3–5). The fast He chooses is aimed at burdens: loosing bands, undoing heavy loads, freeing the oppressed, sharing bread, housing the poor, clothing the naked, and not hiding “from thine own flesh” (58:6–7). Then come the promises, each introduced with “then”: light breaking forth, the Lord answering “Here I am,” continual guidance, a watered garden, a repairer of the breach (58:8–12).
The chapter ends by applying the same principle to the Sabbath: turn away from “doing thy pleasure on my holy day,” call the Sabbath “a delight,” and “then shalt thou delight thyself in the Lord” (58:13–14). In latter-day revelation the Lord ties the two holy practices together again, calling Sabbath fasting “rejoicing and prayer” (Doctrine and Covenants 59:13–14). In the Church today, members are invited to fast on fast Sunday, usually by going without two meals, and to give a generous fast offering to help people in need.
Twenty-five minutes is enough for Isaiah 58 read well and discussed honestly. Isaiah 61 and Luke 4 are ready as a bonus step if you have time.