The title sounds a bit odd but its what Jesus says around the end of the feeding of over 5,000 people. The disciple of Jesus, John, tells us about it in his book in the beginning of the sixth chapter (John 6). John is trying to show who Jesus is. It is not just that he can do miracles but that he is the one who was to deliver Israel. Moses, thousands of years earlier, said “The Lord your God will raise up for you a prophet like me from among you, from your brothers—it is to him you shall listen” (Deuteronomy 18:15).
So, in talking about how Jesus fed all those people John is making reference to Jesus’ ability to provide like Moses and which points to him as the ‘Prophet who will come after me’ shows a contrast between what Jesus will do and what Moses did. Manna could only be used for a day and then it went bad. Here Jesus tells them to gather the leftovers so that they can be used later. This hints at the eternal nature of Jesus as manna: “Whoever feeds [believes] on this bread [Jesus] will live forever.” (John 6:58 ESV). The staying power of Moses’ manna is described here: 19 Moses said to them, “Let no man leave any of it until morning.” 20 But they did not listen to Moses, and some left part of it until morning, and it bred worms and became foul; and Moses was angry with them. 21 They gathered it morning by morning, every man as much as he should eat; but when the sun grew hot, it would melt. (Exodus 16:19-21 NASB)
I need the Jesus ‘manna’..