It's a big loss                                                                                                             Not to know your way well ,                                                                                   Not to know those people who are around you very well ,                                   Not to know yourself well ,                                                                                      Not to know who is up and who is down well ,                                                     Not to know how to spell words well ,                                                                   Not to know your size well ,and                                                                             Not to know anything and everything very,very well ...                                      Regretfully I can say all the above-mentioned indicates that                                 That there is a big loss                                                  And you are in the closed circle of that big loss anytime .