Ordinary language is all right.
One could divide humanity into two classes:
those who master a metaphor, and those who hold by a formula.
Those with a bent for both are too few, they do not comprise a class.
'Both Flann O'Brien in At-Swim-Two-Birds and Samuel Beckett in his great trilogy of French novels capitalize on the anti-social quality of literature, the fact that the writer is not speaking, is not drinking, is confronting nobody warming and warming to nobody, but exists shut away in a room setting on pieces of paper word after word… a deed the very antithesis of everything that Irish culture prides itself on being.'
Littera gesta docet; quod credas allegoria; quid agas moralia; quo tendas anagogia.
… you can see… only if…
Teachings about teachings; non-teachings about teaching.