what generates the plan itself in the first instance is liturgical requirement.

Then don’t let him engage a decorative artist of the second, third or any subsequent rank to apply fiddling little bits of art to a structure which will probably at least have the humble merit of plainness. Again and again as one turns these pages one is struck by the pity of it ‣ messy ceramic plaques, vacuous mural reliefs, busy semi-abstract stained glass windows of overblown cosmological significance, facile streamlined statues of sacred personages appliqué to fine blank walls with about as much relevance as if one were to stick a Valentine card on a Mondriaan abstract … if only they’d refrained! So unless you can afford the prices payable to the Chagalls, Rouaults or Légers of this world, let the architecture do the talking: it has a far better chance of avoiding the arbitrary, the personal, and therefore the distracting.