To abstract is to draw out ...

To abstract is to draw out the essence of a matter. To abstract in art is to separate certain fundamentals from irrelevant material which surrounds them.
 Ben Shahn

Quotes from the same author

To abstract is to draw out the essence of a matter.
 Ben Shahn
The moving toward one's inner self is a long pilgrimage for a painter. It offers many temporary successes and high points, but impels him on toward the more adequate image.
 Ben Shahn
I've been asked often what is the difference between an amateur and a professional artist, and I will tell you. An amateur artist is one who works all week at something else so he can paint on Saturday and Sunday. A professional artist is one whose wife works so he can paint all the time.
 Ben Shahn
I was primarily interested in people, and people in action, so that I did nothing photographically in the sense of doing buildings for their own sake or a still life or anything like that.
 Ben Shahn
I was brought in, not in the photographic department at all, I was brought in on a thing called Special Skills. I was to do posters, pamphlets, murals, propaganda in general, you know.
 Ben Shahn