“We commonly speak as though a single 'thing' could 'have' some characteristic. A stone, we say, is 'hard,' 'small,' 'heavy,' 'yellow,' 'dense,' etc. That is how our language is made: 'The stone is ...”

“Rigor alone is paralytic death, but imagination alone is insanity.”

“The rules of the universe that we think we know are buried deep in our processes of perception.”

“It is as if the stuff of which we are made were totally transparent and therefore imperceptible and as if the only appearances of which we can be aware are cracks and planes of fracture in that tra...”

“Thirty years ago, we used to ask: Can a computer simulate all processes of logic? The answer was yes, but the question was surely wrong. We should have asked: Can logic simulate all sequences of ca...”

“Earlier fundamental work of Whitehead, Russell, Wittgenstein, Carnap, Whorf, etc., as well as my own attempt to use this earlier thinking as an epistemological base for psychiatric theory, led to a...”