Gradually we began [ De Stijl-artists in The Netherlands, 1918] to present a closed front. By working there had been created not only a clarity in th… - Theo van Doesburg

Dada is able to mobilize the optical and dimensional static viewpoint which keeps us imprisoned in our [three-dimensional] illusions. Thus it became possible to perceive the entire prism of the world instead of just one facet at a time. In this connection Dada is one of the strongest manifestations of the fourth dimension, transposed onto the subject.. ..Dada is 'yes-no', a bird on four legs, a ladder without steps, a square without angels. Dada possesses as many positives as negatives. To think that Dada simply means destruction is to misunderstand life, of which Dada is the expression.

The work of art should be entirely conceived and formed by the mind before its execution. It should receive nothing from Nature’s formal properties or from sensuality or sentimentality.. .The picture should be constructed entirely from purely plastic elements, that is to say, planes and colours. A pictorial element has no other significance than 'itself', and therefore the picture has no other significance than 'itself'.

We speak of concrete and not 'abstract painting', because we have finished with the period of research and speculative experience. In their search for purity artists were obliged to abstract from 'natural forms' in which the plastic elements were hidden, in order to eliminate natural forms and to replace them with 'artistic forms'. To-day the idea of 'artistic form' is as obsolete as the idea of 'natural form'. We establish the period of pure painting by constructing 'spiritual form'. Creative spirit becomes concrete.