1) The document is a morning prayer service that includes readings from Psalm 137, John 6:53-59, and a prayer by Anselm. 2) Psalm 137 laments the exile of the Israelites in Babylon and their refusal to sing for their captors, while the passage from John emphasizes that only through Jesus is there eternal life. 3) The thought for the day reflects on how Jesus fills lives with meaning even in the face of anger and despair, as referenced in the Psalmist's feelings of having his life ripped out.