The document is a Bible study guide for an upcoming Sunday liturgy. It includes summaries and commentary on the first and second readings:
1) Exodus 16:2-4, 12-15 describes the Israelites complaining in the desert without food and God providing manna and quail.
2) Ephesians 4:17, 20-24 calls believers to live a new life in Christ, putting away their old selves and renewing their spirits.
3) The response psalm, Psalm 78:3-4, 23-24, 25, 54, praises God for the bread from heaven given to the Israelites in the desert.