this is a cbapter with the theme of bread. interspersed with bread is the beginning of communion, as well as several miracles. this is the basis of Catholics doctrine of transubstantiation. jews weren’t permitted to drink blood and this action by Jesus would have caused problems to the Jewish christians. Dualism and determinism come out of this chapter of John. there don’t appear to be explicit reference to evangelism, but he is reaching out in a number of of instances, like the Samaritan woman, the healing and other miracles. barley bread is the brread of poor people. when is the last day that Jesus talks about in verse 40. what about people who haven’t heard about jesus, are they condemned. this may be the basis of missionary work. what about the predestination message? am i just deluding myself that i have free choice in my life or are all my actions kniwn in advance and am i predestined to do the things i do. will there be a day when all will believe in God.