I Am Convinced That There Is No

Reflective Abstraction, However, Is Based Not On Individual Actions But On Coordinated Actions.

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.

As Far As The Game Of Marbles Is Concerned, There Is Therefore No Contradiction Between The Egocentric Practice Of Games And The Mystical Respect Entertained For Rules. This Respect Is The Mark Of A Mentality Fashioned, Not By Free Cooperation Between Equals, But By Adult Constraint.

At One Time, Many Philosophers Held That Faultless "laws Of Thought" Were Somehow Inherent, A Priori, In The Very Nature Of Mind. This Belief Was Twice Shaken In The Past Century; First When Russell And His Successors Showed How The Logic Men Employ Can Be Defective, And Later When Freud And Piaget Started To Reveal The Tortuous Ways In Which Our Minds Actually Develop.

To Express The Same Idea In Still Another Way, I Think That Human Knowledge Is Essentially Active.