“Usually the amateur is defined as an immature state of the artist: someone who cannot — or will not — achieve the mastery of a profession. But in the field of photographic practice, it is the amateur, on the contrary, who is the assumption of the professional: for it is he who stands closer to the (i)noeme(i) of Photography.”
“I am a professional photographer by trade and an amateur photographer by vocation.”
“A professional writer is an amateur who didn't quit.”
“An amateur practices something until he gets it right.A professional practices until he can't get it wrong!”
“All men who run for presidency of the United States are amateurs; there is no way of becoming a professional at it, and all of them, win or lose, are forever altered in spirit of character by the ordeal.”
“A professional is a man who can do his job when he doesn't feel like it; an amateur is one who can't when he does feel like it. ”