A Positive Mental attitude is the right mental attitude.  What is the right mental attitude?It is most often comprised of the "plus" characteristics symbolized by such words as faith, integrity, hope, optimism,  courage, initiative, generosity, tolerance, tact, kindness\and good common sense.  Aperson with positive mental attitude aims for high goals and constantly strives to achieve them.

              Napoleon Hill and W. Clemont Stone

              Success Through a Positive Mental  Attitude

              pp. 13-14