I just read The New Yorker profile of Wolfgang Tillmans and that has inspired me to post photos after a long hiatus. Inertia. As if my fingers had been suffering from the gravity of Saturn and could not press the keys to make it happen
At an average exposure time of, say, 1/60th of a second, Cartier-Bresson's great career is cumulatively a couple of minutes of having the shutter open. He was right to call it the decisive moment.