The Ancient architecture was always using material things as signs of something spiritual. But today our architecture is flat, nothing but steel and glass, almost like a cracker box. Why? Well, because our architects have no spiritual message to convey.

Venerable Fulton J. Sheen

Archbishop Fulton Sheen was not an architect, but he knew a thing or two about theology and philosophy, and so could diagnose the spiritual sickness lurking behind modernist architecture. Moreover, he knew what architecture—sacred architecture in particular—is supposed to be: a kind of sacrament.