Knowing reality means constructing systems of transformations that correspond, more or less adequately, to reality.#Jean Piaget
In other words, knowledge of the external world begins with an immediate utilisation of things,...#Jean Piaget
During the earliest stages the child perceives things like a solipsist who is unaware of...#Jean Piaget
Every acquisition of accommodation becomes material for assimilation, but assimilation always resists new accommodations.#Jean Piaget
In genetic epistemology, as in developmental psychology, too, there is never an absolute beginning.#Jean Piaget
The self thus becomes aware of itself, at least in its practical action, and discovers...#Jean Piaget