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

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

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Scientific thought, then, is not momentary.. view

By: Jean Piaget

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During the earliest stages the child perceives things like a solipsist who is unaware of himself as subject and is familiar only with his own actions... view

By: Jean Piaget

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It is with children that we have the best chance of studying the development of logical knowledge, mathematical knowledge, physical knowledge, and so forth... view

By: Jean Piaget

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Every acquisition of accommodation becomes material for assimilation, but assimilation always resists new accommodations... view

By: Jean Piaget

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

By: Jean Piaget

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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

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Scientific knowledge is in perpetual evolution.. view

By: Jean Piaget

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

By: Jean Piaget

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This means that no single logic is strong enough to support the total construction of human knowledge... view

By: Jean Piaget

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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

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