When I speak of reason or rationalism, all I mean is the conviction that we canlearn through criticism of our mistakes and errors, especially through criticism by others, and eventually also through self-criticism. The genuine rationalist does not think that he or anyone else is in possession of the truth; nor does he think that mere criticism as such helps us achieve new ideas. But he does think that, in the sphere of ideas, only critical discussion can help us sort the wheat from the chaff. He is well aware that acceptance or rejection of an idea is never a purely rational matter; but he thinks that only critical discussion can give us the maturity to see an idea from more and more sides and to make a correct judgement of it.
Biologically, life is not maintenance or restoration of equilibrium but is essentially maintenance of disequilibria, as the doctrine of the organism as open system reveals. Reaching equilibrium means death and consequent decay. Psychologically, behaviour not only tends to release tensions but also builds up tensions; if this stops, the patient is a decaying mental corpse in the same way a living organism becomes a body in decay when tensions and forces keeping it from equilibrium have stopped.
When you think everything is someone else's fault, you will suffer a lot. When you realize that everything springs only from yourself, you will learn both peace and joy.
It is often asserted that discussion is only possible between people who have a common language and accept common basic assumptions. I think that this is a mistake. All that is needed is a readiness to learn from one's partner in the discussion, which includes a genuine wish to understand what he intends to say. If this readiness is there, the discussion will be the more fruitful the more the partner's backgrounds differ.
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
It seems that cybernetics is many different things to many different people. But this is because of the richness of its conceptual base; and I believe that this is very good, otherwise cybernetics would become a somewhat boring exercise. However, all of those perspectives arise from one central theme; that of circularity. When, perhaps a half century ago, the fecundity of this concept was seen, it was sheer euphoria to philosophize, epistemologize, and theorize about its unifying power and its consequences and rami?cation on various ?elds. While this was going on, something strange evolved among the philosophers, the epistemologists and, the theoreticians. They began to see themselves more and more as being included in a larger circularity; maybe within the circularity of their family; or that of their society and culture; or even being included in a circularity of cosmic proportions!
It seems evident that everything which exists in nature, is natural, no matter how simple or complicated a phenomenon it is; and on no occasion can the so-called 'supernatural' be anything else than a completely natural law, though it may, at the moment, be above and beyond the present understanding.
A sane society is that which corresponds to the needs of man — not necessarily to what he feels to be his needs, because even the most pathological aims can be felt subjectively as that which the person wants most; but to what his needs are objectively, as they can be ascertained by the study of man. It is our first task then, to ascertain what is the nature of man, and what are the needs which stem from this nature.
Dixxit 
