You are using a browser that won't supported by Facebook, so we have redirected you to definitely a less complicated version to supply you with the best knowledge.????? ????????? ??? ??????? ????????? ??? ????? ????????? ??? ??????? ????????? ????i?u quan tr?ng là gi? tinh th?n l?c quan, kiên nh?n và bình t?nh. N?m v?ng nh?ng quy t?c c? b?n nà