Central Extension

Central extension may refer to:

  • Central Extension (Long Island Rail Road), a rail line
  • Central extension (mathematics), a type of group extension

Famous quotes containing the words central and/or extension:

    There is no such thing as a free lunch.
    —Anonymous.

    An axiom from economics popular in the 1960s, the words have no known source, though have been dated to the 1840s, when they were used in saloons where snacks were offered to customers. Ascribed to an Italian immigrant outside Grand Central Station, New York, in Alistair Cooke’s America (epilogue, 1973)

    Where there is reverence there is fear, but there is not reverence everywhere that there is fear, because fear presumably has a wider extension than reverence.
    Socrates (469–399 B.C.)