“In love, women are professionals, men are amateurs”
“I am not a professionally trained professional. I am an amateur professional!”
“A professional writer is an amateur who didn't quit.”
“The difference between and amateur and a professional.. a professional believes if a job is worth doing, it is worth doing well. An amateur believes if a job is worth doing, it very well may be worth doing badly.”
“Amateurs built the ark. Professionals built he Titanic.”
“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.”