The ultimate wisdom of the photographic image is to say, 'There is the surface. Now think - or rather feel, intuit - what is beyond it, what the reality must be like if it looks that way. 'Photographs, which cannot themselves explain anything, are inexhaustible invitations to deduction, speculation, and fantasy... The very muteness of what is, hypothetically, comprehensible in photographs is what constitutes their attraction and provocativeness.