What We See Changes What We Know.

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.

For The Fundamental Fact Of Human Psychology Is That Society, Instead Of Remaining Almost Entirely Inside The Individual Organism As In The Case Of Animals Prompted By Their Instincts, Becomes Crystallized Almost Entirely Outside The Individuals. In Other Words, Social Rules, As Durkheim Has So Powerfully Shown, Whether They Be Linguistic, Moral, Religious, Or Legal, Etc., Cannot Be Constituted, Transmitted Or Preserved By Means Of An Internal Biological Heredity, But Only Through The External Pressure Exercised By Individuals Upon Each Other.

This Means That No Single Logic Is Strong Enough To Support The Total Construction Of Human Knowledge.

Children Require Long, Uniterrupted Periods Of Play And Exploration

Teaching Means Creating Situations Where Structures Can Be Discovered.