A professional is one who believes he has invented…

“The difference between and amateur and a professional.. a professional believes if a job is worth doing, it is worth doing well. An amateur…

— Robert Littell

And I'm proud of what I do as a professional, too.

— Lisa Guerrero

I was pursuing the arts with theater in school, and I was doing after-school activities, but not in any real movement towards a professional…

— Uzo Aduba

I came in on time, I was always a professional.

— Ryan Babel

At the end of the day, I'm a professional.

— Kamaru Usman

“The definition of a professional is one who does a job well even when they don't like it.”

— Alan Sheinwald

Since I've had a career, my hair has been more or less professional.

— Susan Rice

The professional arms himself with patience, not only to give the stars time to align in his career, but to keep himself from flaming…

— Steven Pressfield

A professional is a man who can do his job when he doesn't feel like it. An amateur is a man who can't do…

— James Agate

The bottom line, in the professional level, no matter where you go, there's going to be competition. That's what it is. At the end…

— Scott Tolzien

On 'Workaholics,' I feel like I'm just hanging out with my buddies being filmed, but on 'Mindy,' I'm around professional funny people who act.…

— Anders Holm

In the end, for me, football is still a game. Even if you are a professional, you need to have fun when you are…

— Kevin De Bruyne

I've been a professional actor for almost 40 years.

— Ron Perlman

Being fit is the easiest part of being a dance professional. I used to just throw on a backpack full of rocks and run…

— Anton du Beke

I'm a character actor - always have been, always will be - and historically, character actors don't come into their own until later in…

— Annie Potts