In his poem, "The Marriage of Heaven and Hell," William Blake hypothesized that "If the doors of perception were cleansed everything would appear to man as it is, infinite." Of course, Blake's "doors of perception" are both hard to clean and even harder to keep clean. For John Ruskin, the famous 19th century art and social critic, seeing demanded a scientist's respect for fact, but also a love for what was being seen. These poems ask us to attend, with devotion and care, to a world which will always remain a mystery, but a mystery in which love calls us to the things of this world where we may become most fully human.