Jesus is bread from heaven and providing free food (recall Jesus telling Peter to "feed my sheep"). He is undoing the curse given by God after Adam and Eve sinned. Jesus takes what is finite and make it infinite! He makes what we have to be enough. This applies to the Lord's Supper. Jesus asks Peter, "Who do you say I am? Who, do YOU say Jesus is?
Scripture: Luke 9:10-27; John 21:17