Of all the arts, abstract painting is the most difficult. It demands that you know how to draw well, that you have a heightened sensitivity for composition and for colors, and that you be a true poet. This last is essential.

Drawing instruction is a training towards perception, exact observation and exact presentation not of the outward appearances of an object, but of its constructive elements, its lawful forces-tensions, which can be discovered in given objects and of the logical structures of same-education toward clear observation and clear rendering of the contexts, whereby surface phenomena are an introductory step towards the three-dimensional.

Colors produce a spiritual vibration, the impression they create is important only as a step towards this vibration.

The more abstract is form, the more clear and direct its appeal.

Art is not vague production, transitory and isolated, but a power which must be directed to the improvement and refinement of the human soul.

The artist must be blind to distinction between 'recognized' or 'unrecognized' conventions of form, deaf to the transitory teaching and demands of his particular age.

As a picture painted in yellow always radiates spiritual warmth, or as one in blue has apparently a cooling effect, so green is only boring.