Play Is The Work Of Childhood.

In Certain Circumstances Where He Experiments In New Types Of Conduct By Cooperating With His Equals, The Child Is Already An Adult. There Is An Adult In Every Child And A Child In Every Adult. ... There Exist In The Child Certain Attitudes And Beliefs Which Intellectual Development Will More And More Tend To Eliminate: There Are Others Which Will Acquire More And More Importance. The Later Are Not Derived From The Former But Are Partly Antagonistic To Them.

In Other Words, Knowledge Of The External World Begins With An Immediate Utilisation Of Things, Whereas Knowledge Of Self Is Stopped By This Purely Practical And Utilitarian Contact.

Each Time One Prematurely Teaches A Child Something He Could Have Discovered Himself, That Child Is Kept From Inventing It And Consequently From Understanding It Completely.

Mixture Of Assimilation To Earlier Schemas And Adaptation To The Actual Conditions Of The Situation Is What Defines Motor Intelligence. But And This Is Where Rules Come Into Existence As Soon As A Balance Is Established Between Adaptation And Assimilation, The Course Of Conduct Adopted Becomes Crystallized And Ritualized. New Schemas Are Even Established Which The Child Looks For And Retains With Care, As Though They Were Obligatory Or Charged With Efficacy.

Equilibrium Is The Profoundest Tendency Of All Human Activity.