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"Most filmmakers think about light when making films. All film is light, after all; every image in every film needs the light that illuminates it in order to exist – for capture, and for projection. Yet few think about it quite as much as artist-filmmaker Nathaniel Dorsky. As he writes in his book-cum-manifesto Devotional Cinema, “beyond everything else, film is a screen, film is a rectangle of light, film is light sculpture in time”; to not consider it deeply would be to disregard film’s most essential property."
Full article on Nathaniel Dorsky's Arboretum Cycle on Sight & Sound