“If you think it's expensive to hire a professional to do the job, wait until you hire an amateur.”— Red Adair
“Being a professional is doing the things you love to do, on the days you don't feel like doing them.”— Jensen Ackles
“Sport must be amateur or it is not sport. Sports played professionally are entertainment.”— Avery Brundage
“A good programmer is someone who looks both ways before crossing a one-way street.”— Steve McConnell
“There's a great quote by Julius Irving that says, 'Being a professional is doing the things you love to do, on the days you don't feel like doing them.'”— Edward Zwick
“I began wearing hats as a young lawyer because it helped me to establish my professional identity. Before that, whenever I was in a meeting, a man would ask me to get him a cup of coffee.”— Bella Abzug
“All I do, really, is go to work and try to be professional, be on time and be prepared.”— Ben Affleck