"In any axiomatic mathematical system there are propositions that cannot be proved or disproved within the axioms of the system. In particular the consistency of the axioms cannot be proved."

                                                                                            ------- Incompleteness Theorems by Kurt Gödel

      "I know you believe you understand what you think I said, but I am not sure you realize that what you heard is not what I meant."

                                                                                            ------- Alan Greenspan