"In the twentieth century, one encounters artworks that seek to cancel the difference between a real and an imagined r…"

"Die folgenden Untersuchungen wagen diesen Übergang zu einem radikal antihumanistischen, einem radikal antiregionalist…"

"The art system operates on its own terms, but an observer of art can choose many different distinctions to indicate w…"

"The activity of observing establishes a distinction in a space that remains unmarked, the space from which the observ…"

"Humans cannot communicate; not even their brains can communicate; not even their conscious minds can communicate. Onl…"

"It had always been clear to me that a thoroughly constructed conceptual theory of society would be much more radical …"

"We are still spellbound by a tradition that arranged psychological faculties hierarchically, relegating ‘sensuousness…"

"No matter how abstractly formulated are a general theory of systems, a general theory of evolution and a general theo…"

"Does knowledge rest on construction in the sense that it only functions because the knowing system is operatively clo…"

"Whatever we know about society, or indeed about the world in which we live, we know through the mass media. This is t…"