The chief requirement is to be fully involved in this reality which we delineate in the viewfinder. The camera is to some extent a sort of notebook for recording sketches made in time and space, but it is also an admirable instrument for seizing upon life as it presents itself. — Henri Cartier-Bresson, February 22, 1968., The World of Henri Cartier-Bresson by Henri Cartier-Bresson , ISBN: 0670786640