Just as the senses require sensible objects to stimulate them, so our powers of observation, recollection, and imagination do not work spontaneously, but are set in motion by the demands set up by current social occupations.
John DeweyPerhaps the greatest of all pedagogical fallacies is the notion that a person learns only the particular thing he is studying at the time.
John DeweyCommunication of science as subject-matter has so far outrun in education the construction of a scientific habit of mind that to some extent the natural common sense of mankind has been interfered with to its detriment.
John Dewey