They said therefore to him, "What then do you do for a sign, that we may see, and believe you? What work do you do?
And He that eats my flesh, and drinks my blood, dwells in me, and I in him. And as the living Father has sent me, and I live by the Father: so he that eats me, even he shall live by me. And this is that bread which came down from heaven: not as your fathers did eat the manna, and are dead: for he that eateth of this bread shall live for ever. And these are the things he said to them as he was teaching them in the synagogue, in Capernaum ( John 6:56-59 ).