To Understand Is To Invent.

During The Earliest Stages The Child Perceives Things Like A Solipsist Who Is Unaware Of Himself As Subject And Is Familiar Only With His Own Actions.

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

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.

Moral Autonomy Appears When The Mind Regards As Necessary An Ideal That Is Independent Of All External Pressures.

The Discussion Of The Game Of Marbles Seems To Have Led Us Into Rather Deep Waters. But In The Eyes Of Children The History Of The Game Of Marbles Has Quite As Much Importance As The History Of Religion Or Of Forms Of Government. It Is A History, Moreover, That Is Magnificently Spontaneous; And It Was Therefore Perhaps Not Entirely Useless To Seek To Throw Light On The Child's Judgment Of Moral Value By A Preliminary Study Of The Social Behaviour Of Children Amongst Themselves.