Punishment renders autonomy of conscience impossible.

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

Chance... in the accommodation peculiar to sensorimotor intelligence, plays the same role as in scientific discovery. It is only useful to the genius and its revelations remain meaningless to the unskilled.

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.

As you know, Bergson pointed out that there is no such thing as disorder but rather two sorts of order, geometric and living.

Children have real understanding only of that which they invent themselves, and each time that we try to teach them too quickly, we keep them from reinventing it themselves.

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