Pressed, I would define spirituality as the shadow of light humanity casts as it moves through the darkness of everything that can be explained.
John UpdikeA photograph presents itself not only as a visual representation, but as evidence, more convincing than a painting because of the unimpeachable mechanical means whereby it was made. We do not trust the artist's flattering hand; but we do trust film, and shadows, and light.
John Updike