Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all.
-Dale Carnegie
I know the price of success: dedication, hard work, and an unremitting devotion to the things you want to see happen.
-Frank Lloyd Wright
The heights by great men reached and kept
Were not attained by sudden flight,
But they, while their companions slept,
Were toiling upward in the night.
- Henry Wadsworth Longfellow
The most essential factor is persistence - the determination never to allow your energy or enthusiasm to be dampened by the discouragement that must inevitably come.
– James Whitcomb Riley
Permanence, perseverance and persistence in spite of all obstacles, discouragement, and impossibilities: It is this, that in all things distinguishes the strong soul from the weak.
- Thomas Carlyle
Money grows on the tree of persistence.
- Japanese Proverb
My motto was always to keep swinging. Whether I was in a slump or feeling badly or having trouble off the field, the only thing to do was keep swinging.
- Hank Aaron
Nearly every man who develops an idea works at it up to the point where it looks impossible, and then gets discouraged. That's not the place to become discouraged.
- Thomas A. Edison
Never consider the possibility of failure; as long as you persist, you will be successful.
- Brian Tracy
Never, never, never, never give up.
- Winston Churchill
Once you learn to quit, it becomes a habit.
- Vincent Lombardi
Energy and persistence conquer all things.
- Benjamin Franklin
We are made to persist. That's how we find out who we are.
- Tobias Wolff