I have always been structured. What has changed is the proportions. Now it is eight hours of paperwork and one of painting. I go to the studio every … - Gerhard Richter

All that interests me is the grey areas, the passages and the tonal sequences, the pictorial spaces, overlaps and interlockings. If I had any way of abandoning the object as the bearer of this structure, I would immediately start painting abstracts.

It makes no sense to expect or claim to 'make the invisible visible', or the unknown known, or the unthinkable thinkable. We can draw conclusions about the invisible; we can postulate its existence with relative certainty. But all we can represent is an analogy, which stands for the invisible but is not it.

The first 'Colour charts' were unsystematic. They were based directly on commercial colour samples. They were still related to Pop Art. In the canvases that followed, the colours were chosen arbitrarily and drawn by chance. Then, 180 tones were mixed according to a given system and drawn by chance to make four variations of 180 tones. But after that the number 180 seemed too arbitrary to me, so I developed a system based on a number of rigorously defined tones and proportions.. .Based on mixtures of the three primary colours, along with black and white, I come up with a certain number of possible colours and, by multiplying these by two or four, I obtain a definite number of colour fields that I multiply yet again by two, etc. But the complete realization of this project demands a great deal of time and work.