I don't use drugs, my dreams are frightening enough.
Drawing is deception.
The things I want to express are so beautiful and pure.
For me it remains an open question whether [this work] pertains to the realm of mathematics or to that of art.
What I give form to in daylight is only one per cent of what I have seen in darkness.
As far as I know, there is no proof whatever of the existence of an objective reality apart from our senses, and I do not see why we should accept the outside world as such solely by virtue of our senses.