Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity. Louis Pasteur
Good luck is another name for tenacity of purpose. Ralph Waldo Emerson
Patience and tenacity of purpose are worth more than twice their weight in cleverness. Thomas Huxley
The history of the world is full of men who rose to leadership, by sheer force of self-confidence, bravery and tenacity. Mahatma Gandhi
The most difficult thing is the decision to act, the rest is merely tenacity. The fears are paper tigers. You can do anything you decide to do. You can act to change and control your life; and the procedure , the process is its own reward. Amelia Earhart