The use of expressive colors is felt to be one of the basic elements of the modern mentality, an historical necessity, beyond choice.
Henri MatisseExpression for me does not reside in passions glowing in a human face or manifested by violent movement. The entire arrangement of my picture is expressive; the place occupied by my figures, the empty space around them, the proportions, everything has its share.
Henri MatisseDo remember that one line does nothing; it is only in relation to another that it creates a volume.
Henri Matisse