And
this food is called among us Εὐχαριστία [the Eucharist]
... For not as common bread and common drink do we receive these; but
in like manner as Jesus Christ our Saviour, having been made flesh by
the Word of God, had both flesh and blood for our salvation, so
likewise have we been taught that the food which is blessed by the
prayer of His word, and from which our blood and flesh by
transmutation are nourished, is the flesh and blood of that Jesus who
was made flesh.
--
Saint Justin Martyr
