" And to Liberman he said, “Painting is a thing of intelligence. One can see the intelligence in each of Manet’s brushstrokes, and the action of intelligence is made visible in the film on Matisse when one watches Matisse draw, hesitate, then begin to express his thought with a sure stroke.” This emphasis on intelligence may seem to imply an intellectualism, a theoretical approach, that Picasso utterly denied; but it was with a painter’s intelligence that he and Poussin were concerned, an intelligence whose realm is neither scientific nor verbal but solely plastic. "

― Patrick O'Brian , Picasso: A Biography