* Energy and persistence conquer all things.
Benjamin Franklin

* Defeat is simply a signal to press onward.
Helen Keller

* Have patience with all things, but chiefly have patience with yourself. Do not lose courage in considering your own imperfections, but instantly set about remedying them - every day begin the task anew.
Saint Francis de Sales

* A leader, once convinced that a particular course of action is the right one, must....be undaunted when the going gets tough.
Ronald Reagan

* The miracle, or the power, that elevates the few is to be found in their industry, application, and perseverance under the promptings of a brave, determined spirit.
Mark Twain

  

* When you get to the end of your rope, tie a knot and hang on.
Franklin D. Roosevelt

* If you have made mistakes, even serious ones, there is always another chance for you. What we call failure is not the falling down, but the staying down.
Mary Pickford

* If you are truly flexible and go until . . . there is really very little you can't accomplish in your lifetime.
Anthony Robbins

* Having chosen our course, without guile and with pure purpose, let us renew our trust in God, and go forward without fear and with manly hearts.
Abraham Lincoln

* People of mediocre ability sometimes achieve outstanding success because they don't know when to quit. Most men succeed because they are determined to.
George Allen

  

* Some people plant in the spring and leave in the summer. If you're signed up for a season, see it through. You don't have to stay forever, but at least stay until you see it through.
Jim Rohn

* Great changes may not happen right away, but with effort even the difficult may become easy.
Bill Blackman

* A man of sense is never discouraged by difficulties; he redoubles his industry and his diligence, he perseveres, and infallibly prevails at last.
Lord Chesterfield

* The heights by great men reached and kept were not obtained by sudden flight. But they, while their companions slept, were toiling upward in the night.
Thomas S. Monson

* Sure I am of this, that you have only to endure to conquer. You have only to persevere to save yourselves.
Winston Churchill