This study traces the evolution of the words, "this is my body," "this do," and "remembrance of me" that divided Christendom in the sixteenth century. Lee Wandel focuses on the consequences of the different interpretations of these simple words in the delineation of the Lutheran, Reformed, and Catholic traditions. Finally, Wandel argues that the incarnation is at the center of the story of the Reformation and suggests how divergent religious identities were formed.