I do not think that there is ...

I do not think that there is any other quality so essential to success of any kind as the quality of perseverance. It overcomes almost everything, even nature.
I do not think that there is any other quality so essential to success of any kind as the quality of perseverance. It overcomes almost everything, even nature.
 John D. Rockefeller

More phrases

Effort only fully releases its reward after a person refuses to quit.
Never complain and never explain.
A good plan violently executed now is better than a perfect plan executed next week.
 George S. Patton
Problems are not stop signs, they are guidelines.
 Robert Schuller
Never give up, for that is just the place and time that the tide will turn.
 Harriet Beecher Stowe

Quotes from the same author

The task is simple. We will organize children and teach them in a perfect way the things their fathers and mothers are doing in an imperfect way.
 John D. Rockefeller
My mother was given to a typical question: "We have always done this. Why should we do anything else?" But my wife's typical question was "We have always done this. Why don't we do it another way or, better still, why not do something else?
 John D. Rockefeller
Don't be afraid to give up the good to go for the great.
 John D. Rockefeller
I believe the power to make money is a gift from God...to be developed and used to the best of our ability for the good of mankind.
 John D. Rockefeller
I always tried to turn every disaster into an opportunity.
 John D. Rockefeller