Our fathers ate the manna in the wilderness. As it is written, 'He gave them bread out of heaven{Greek and Hebrew use the same word for "heaven", "the heavens", "the sky", and "the air".} to eat.'"
Whoso eats my flesh, and drinks my blood, has eternal life; and I will raise him up at the last day. For my flesh is meat indeed, and my blood is drink indeed ( John 6:54-55 ).