Un Picasso e¤  tudie un objet comme un chirurgien disse'  que un cadavre. A Picasso studies an object like a surgeon dissects a corpse.

-Kostrowitzki
  Les Peintres cubistes; Me¤  ditations esthe¤  tiques,'Sur la peinture, 2'.

The New York Pop artists are often asked whether or not they like their subjects. This, as Dorothy Seckler has noted, is as irrelevant as asking whether Ce¤  zanne liked apples,Ge¤  ricault corpses, or Picasso guitars.

-Lippard, Lucy
  Pop  Art.

Who is able to paint the existence of a dog as Picasso paints the existence of a cubic shape?

-Marc, Franz
Quoted in Briefe,  Aufzeichnungen und  Aphorismen (2 vols,1920), translated by Chipp in his Theories of Modern  Art (1968).

There's no denying that Caruso came with a voice†that Beethoven came with music in his soul, Picasso was drawing like an angel in the crib.You're born with it.

-Nevelson, Louise
  Dawns and Dusks.