Exactitude is not truth. - Henri Matisse

My choice of colors does not rest on any scientific theory; it is based on observation, on feeling, on the very nature of each experience. I.. ..merely try to find a color that will fit my sensation. There is an impelling proportion of tones that can induce me to change the shape of a figure or to transform my composition. Until I have achieved this proportion in all the parts of the composition I strive towards it and keep on working. Then a moment comes when every part has found its definite relationship, and from then on it would be impossible for me to add a stroke to my picture without having to paint it all over again.

An artist must never be a prisoner. Prisoner? An artist should never be a prisoner of himself, prisoner of style, prisoner of reputation, prisoner of success, etc

If upon a white canvas I jot down some sensations of blue, of green, of red – every new brush stroke diminishes the importance of the preceding ones. Suppose I set out to paint an interior.. .If I paint a green near the red, if I paint in a yellow floor, there must still be between this green, this yellow, and the white of the canvas a relation that will be satisfactory to me. But these several tones mutually weaken one another. It is necessary, therefore, that the various elements that I use be so balanced that they do not destroy one another..