With all the conceptual truths in the universe at His disposal [Jesus] did not give them something to think about together when He was gone. Instead, He gave them concrete things to do - specific ways of being together in their bodies - that would go on teaching them what they needed to know when He was no longer around to teach them Himself... "Do this" He said - not believe this but do this - "in remembrance of me.
An Altar in the World: Finding the sacred beneath our feet (ed. Canterbury Press, 2017) - ISBN: 9781786220103