A primitive artist is an amateur whose work sells.
Grandma Moses

A professional writer is an amateur who didn't quit.
Richard Bach

Amateur bureaucrats are often even worse than professional bureaucrats.
John McCarthy

American politics used to be an amateur sport. But somewhere along the way, we handed over to professionals all the things people used to do for free.
Bob Schieffer

An amateur is someone who supports himself with outside jobs which enable him to paint. A professional is someone whose wife works to enable him to paint.
Ben Shahn

As a youngster, I played in Little League, Pony League, and all sorts of amateur baseball programs growing up.
Jim Evans

As compared with the college politician, the real article seems like an amateur.
Woodrow Wilson

At this period the enthusiasm of the amateur was fast giving way to a more steady commercial instinct, and I let no opportunity slip of improving my position, but I felt that I was still labouring under the disadvantage of not having acquired some technical profession.
Henry Bessemer

Before the start of the '76 Olympics, I'd had 160 amateur fights. I won 155 and lost five.
Sugar Ray Leonard

But somehow, I felt no inclination to be interested in it in any amateur way, let alone professional, until suddenly I became interested. And the first thing I did was to compose: not play an instrument, but to compose.
Gunther Schuller

By the time I was 22, I was a professional. A young and flawed professional, but not an amateur.
Stephen Sondheim

Even now I want to keep my amateur spirit, to spend my time, to be in the sport with all my heart.
Sergei Bubka

Every artist was first an amateur.
Ralph Waldo Emerson

For a long time, we've worked on detecting planets with whatever was at hand, making use of existing small telescopes or even amateur telescopes. It's time to move on to the next stage.
Andrew Gould

I am essentially an amateur medecin, and this to me is almost a mania.
Jean Anthelme Brillat-Savarin

I began playing in the senior circuit when I was 15 and won the world senior amateur title the same year.
Jahangir Khan

I built my own hi-fi set and enjoyed helping friends with their amateur radio transmitters, but lost interest as soon as they worked.
Robert W. Wilson

I can fairly be called an amateur because I do what I do, in the original sense of the word - for love, because I love it. On the other hand, I think that those of us who make our living writing history can also be called true professionals.
David McCullough

I do small cameos here and there but nothing that requires more than a paragraph of talking, because I'm just an amateur. The movie is a whole different reality.
Richard Price

I maintain that two and two would continue to make four, in spite of the whine of the amateur for three, or the cry of the critic for five.
James Whistler