Experience Precedes Understanding.

The Child Is A Realist In Every Domain Of Thought, And It Is Therefore Natural That In The Moral Sphere He Should Lay More Stress On The External, Tangible Element Than On The Hidden Motive.

We Learn More When We Are Compelled To Invent.

Our Problem, From The Point Of View Of Psychology And From The Point Of View Of Genetic Epistemology, Is To Explain How The Transition Is Made From A Lower Level Of Knowledge To A Level That Is Judged To Be Higher.

Play Is The Work Of Childhood.

The Need To Speak The Truth And Even To Seek It For Oneself Is Only Conceivable In So Far As The Individual Thinks And Acts As One Of A Society, And Not Of Any Society (for It Is Just The Constraining Relations Between Superior And Inferior That Often Drive The Latter To Prevarication) But Of A Society Founded On Reciprocity And Mutual Respect, And Therefore On Cooperation.