The science [of painting], although it is not absolutely necessary, never hurts. It obviates much experimentation by trial and error, but one must, a… - Paul Sérusier

I respect personality; it is an abstract entitity. A certain number of lines and colors constituting a harmony, can be arranged infinite ways. The literary side in painting is a second element of personality; it may exist – it must exist – but only as a pretext; if it dominates, one fall into the realm of illustration. You see that I do not wish to legislate personality.

[..according to Gauguin ] the impression of nature must be wedded to the aesthetic sentiment which chooses, arranges, simplifies and synthesizes. The painter ought not to rest until he has given birth to the child of his imagination.. ..begotten in a union of his mind with reality. Gauguin insisted on a logical construction of composition, on a harmonious apportionment of light and dark colors, the simplification of forms and proportions, so as to endow the outline's of forms with a powerful and eloquent expression.. ..He also insisted upon luminous and pure colors.

These principles [in art], forgotten over time, were rediscovered by a few geniuses such as Rembrandt, Vélazquez, Délacroix, Corot and Manet. These principles can be deduced from innate principles within us, ideas of harmony, common to all unspoiled men.. ..these are the laws of harmony and color.