theory or have remained unaffected by them. It is true that a fact can sometimes appear to resemble an “accident,” as in the case of the apple that f… - Jean Piaget

In fact, objects are known only through the subject, while the subject can know himself or her- self only by acting on objects materially and mentally. Indeed, if objects are innumerable and science indefinitely diverse, all knowledge of the subject brings us back to psychology, the science of the subject and the subject's actions.

Children should be able to do their own experimenting and their own research. Teachers, of course, can guide them by providing appropriate materials, but the essential thing is that in order for a child to understand something, he must construct it himself, he must re-invent it. Every time we teach a child something, we keep him from inventing it himself. On the other hand that which we allow him to discover by himself will remain with him visibly [...] for all the rest of his life.

If a baby really has no awareness of himself and is totally thing-directed and at the same time all his states of mind are projected onto things, our second paradox makes sense: on the one hand, thought in babies can be viewed as pure accommodation or exploratory movements, but on the other this very same thought is only one, long, completely autistic waking dream.