How should the reference to bread in Matthew 6:11 and John 6:35 be best understood? This article argues that it is an error to presuppose that this is a prayer for physical bread. and wants to remind readers of the distinction between literal bread and its use as a metaphor. The author refers to texts like Deuteronomy 8:3 and Isaiah 55:1-4 as support of a metaphorical understanding.
This is an extensive article on the Lord's Supper.