“Masculine and feminine, vertical and horizontal.” ~1910

“The surface of things gives enjoyment, their interiority gives life.” ~1911

“A form must be of its own time if it is to be recognized: one cannot relate to what one is not or does not have – Thus all that is of the past is to be rejected.” ~1913

“Art is higher than reality and has no direct relation to reality. To approach the spiritual in art, one will make as little use as possible of reality, because reality is opposed to the spiritual. We find ourselves in the presence of an abstract art. Art should be above reality, otherwise it would have no value for man.” ~1914

“I am searching for the proper harmony of rhythm and unchanging proportion… And I cannot tell you how difficult it is.” ~1919

“[Paris, as modern city] is beautiful in its perfection, but perfection means death and decay. Thus interfering with the process of dying is a crime against perfection: it stands in the way of a higher perfection.” ~1920

“Well, I think my paintings are fast enough already…” ~1930

“Vertical and horizontal lines are the expression of two opposing forces; they exist everywhere and dominate everything; their reciprocal action constitutes 'life'. I recognized that the equilibrium of any particular aspect of nature rests on the equivalence of its opposites.” ~1937

“Now the only problem is to destroy these lines also through mutual opposition… I think that the destructive element is too much neglected in art.” ~1943

“Human culture reveals an opposition: diminution of the instinctive faculties and development of the intuitive capacity. A cultivation of instinctive faculties produces human degeneration; a cultivation of intuitive capacities creates human progress.” ~1944