His writings on color, which were influenced by scientists and theoreticians, are intuitive and can sometimes be random statements based on the belief that color is a thing in itself, with its own powers of expression and form. He believes painting is a purely visual art that depends on intellectual elements, and perception is in the impact of colored light on the eye. The contrasts and harmonies of color produce in the eye simultaneous movements and correspond to movement in nature. Vision becomes the subject of painting.
