Tenacity and Parkinson’s

"Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity." Louis Pasteur To succeed in life in today's world, you must have the will and tenacity to finish the job." Chin-Ning Chu Definition of Tenacity: <noun te·nac·i·ty \ tə-ˈna-sə-tē \>  Tenacity can be defined as …