30 They said therefore unto him, What sign do you show then, that we may see, and believe you? what do you work?
31 Our fathers did eat manna in the desert; as it is written, He gave them bread from heaven to eat.
32 Then Jesus said unto them,
33 For the bread of God is he who comes down from heaven, and gives life unto the world.
34 Then said they unto him, Lord, evermore give us this bread.
35 And Jesus said unto them,
36 But I said unto you, That you also have seen me, and believe not.