Toshio Matsumoto II - Everything Visible Is Empty (1975).

"The greatest harvest amidst all this was that the fact that everything is part of an institutional system became extremely clear. That means, for instance, that the way of looking at things changes according to the point of view–that it isn’t determined from the start. For example, even the law of perspective in painting is a mode of perceiving space formulated by a way of looking at things established during a certain socio-historical turning point in the West; it becomes obvious that it, too, is an institutional system. In that way, even modes and forms of expression in art, including cinema, were in the end seen as being created institutionally . In fact, when the system loses momentum, these forms become naturalized; the process by which art begins to look natural when custom or inertia becomes a fixed norm is itself a system."

From:

Documentarists of Japan # 9
Matsumoto Toshio

Translated by Aaron Gerow

Link: http://www.ubu.com/film/matsumoto.html