William James, Essays in Radical Empiricism
“ Taken in this group we call both it and them ‘ideas’ or ‘sensations’; and the basis of the two groups respectively is the different type of interrelation, the mutual impenetrability, [Pg 140] on the one hand, and the lack of physical interference and interaction, on the other.That what in itself is one and the same entity should be able to function thus differently in different contexts is a natural consequence of the extremely complex reticulations in which our experiences come. ”
