The first, can appear the model of pure a priori thought, disengaged from the world of experience; the second, a massive collection of detailed descriptions and theories about the enormous variety of material phenomena, but with no intelligible unity; and the third an obscure and generally unrigorous rhapsody of affirmations and aspirations, at one end couched in the languages of politics and sentimentality, and at the other in the terms of a cosmic poetry unregulated by science or philosophy. (faith.org.uk)
But he is in possession of a strong clue to reality and a conviction that he is cooperating with a purpose transcending present observed material phenomena. (religion-online.org)
Digital tools can both mimic material phenomena and become art historical reference points. (sfaq.us)