In genetic epistemology, as in developmental psychology, too, there is never an absolute beginning.

From this time on, the universe is built up into an aggregate of permanent objects connected by causal relations that are independent of the subject and are placed in objective space and time... view

By: Jean Piaget



To express the same idea in still another way, I think that human knowledge is essentially active... view

By: Jean Piaget



Knowing reality means constructing systems of transformations that correspond, more or less adequately, to reality... view

By: Jean Piaget



Logical positivists have never taken psychology into account in their epistemology, but they affirm that logical beings and mathematical beings are nothing but linguistic structures... view

By: Jean Piaget



The current state of knowledge is a moment in history, changing just as rapidly as the state of knowledge in the past has ever changed and, in many instances, more rapidly... view

By: Jean Piaget



The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done... view

By: Jean Piaget



Scientific knowledge is in perpetual evolution.. view

By: Jean Piaget



The more the schemata are differentiated, the smaller the gap between the new and the familiar becomes, so that novelty, instead of constituting an annoyance avoided by the subject, becomes a problem and invites searching... view

By: Jean Piaget



Logic and mathematics are nothing but specialised linguistic structures... view

By: Jean Piaget



Reflective abstraction, however, is based not on individual actions but on coordinated actions... view

By: Jean Piaget



The first type of abstraction from objects I shall refer to as simple abstraction, but the second type I shall call reflective abstraction, using this term in a double sense... view

By: Jean Piaget

