Inside the modern city, in spite of its nominal political unity, there are probably more communities, more differing customs, traditions, aspirations, and forms of government or control, than existed in an entire continent at an earlier epoch.
John DeweyThe teacher loses the position of external boss or dictator but takes on that of leader of group activities
John DeweyBut the individual butterfly or earthquake remains just the unique existence which it is. We forget in explaining its occurrence that it is only the occurrence that is explained, not the thing itself.
John Dewey