Jean Piaget

"The essential functions of the mind consist in understanding and in inventing, in other words, in building up structures by structuring reality."

"Every observer has noted that the younger the child, the less sense he has of his own ego. From the intellectual point of view, he does not distinguish between external and internal, subjective and ob…"

"The relations between parents and children are certainly not only those of constraint. There is spontaneous mutual affection, which from the first prompts the child to acts of generosity and even of s…"

"If children fail to understand one another, it is because they think they understand one another. The explainer believes from the start that the reproducer will grasp everything, will almost know befo…"

"Generally speaking, one can say that motor intelligence contains the germs of completed reason. But it gives promise of more than reason pure and simple. From the moral as from the intellectual point …"

"It is as his own mind comes into contact with others that truth will begin to acquire value in the child's eyes and will consequently become a moral demand that can be made upon him. As long as the ch…"

"The need to speak the truth and even to seek it for oneself is only conceivable in so far as the individual thinks and acts as one of a society, and not of any society but of a society founded on reci…"

"Between the various types of rules which we shall give there will therefore be at once continuity of function and difference of structure. This renders arbitrary any attempt to cut mental reality up i…"