30. So they asked him, "What sign then will you give that we may see it and believe you? What will you do?
31. Our ancestors ate the manna in the wilderness; as it is written: 'He gave them bread from heaven to eat.' "
32. Jesus said to them, "Very truly I tell you, it is not Moses who has given you the bread from heaven, but it is my Father who gives you the true bread from heaven.