Think about the photo before and after, never during. The secret is to take your time. You mustn't go too fast. The subject must forget about you. Then, however, you must be very quick.
Henri Cartier-BressonTime runs and flows and only our death succeeds in catching up with it. Photography is a blade which, in eternity, impales the dazzling moment.
Henri Cartier-BressonThe adventurer in me felt obliged to testify with a quicker instrument than a brush to the scars of the world.
Henri Cartier-Bresson