Related:

• VIRTUAL REALITY Another one of those concepts that no-one over 45 really understands.
  See also: Information superhighway, Interactive TV....
• In the world of human thought generally, and in physical science particularly, the most important and fruitful concepts are those to which it is impossible to attach a well-defined meaning.
  -- H.A. Krame...
• one of those most bizarre of mathematical concepts, a recipriversexcluson, a number whose existence can only be defined as being anything other than itself.
  -- The Hitch Hiker's Guide to the Galaxy...
• There are certain universal ideas and concepts common to all intelligent life.
  This device [the universal translator] instantaneously compares the frequency of brain wave patterns, selects those ideas and concepts it recognizes, and then provides the necessary grammar....
• The only justification for our concepts and systems of concepts is that they serve to represent the complex of our experience
  beyond this they have not legitimacy. -- Einstein....
• There are only two ways in which we can account for a necessary agreement of experience with the concepts of its objec
  either experience makes these concepts possible or these concepts make experience possible....
• Students should memorize facts only after they have studied the ideas, trends, and concepts that help explain those facts.
  Students who have learned only facts have learned very little....
• Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments.
  -- John Steinbeck, autho...
• I'm in direct contact with many advanced fun CONCEPTS. -- Zippy the Pinhead