I do not know how I shall develop, but for the present, I am continuing to work within ordinary, generally known terrain, different only because of a deep substratum, which leads those who are receptive to sense the finer regions.

Through the very culture of representation through form, we have come to see that the abstract - like the mathematical - is actually expressed in and through all things, although not determinately.

The spiritual (i.e. the supersensory) has many degrees; thus, the term 'spiritual' is used both for the scale of degrees away from the physical towards the spirit, but also only for the spiritual proper.

Piet Mondrian Quotes