I'm trying to keep my own ...
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
I have always felt like you really don't have a genuine confidence unless you demonstrate the ability to do something. You can talk about it, but you have to demonstrate it.
Bill Parcells
You can't dream up confidence. Confidence is born of demonstrated ability.
Bill Parcells
The only players I hurt with my words are the ones who have an inflated opinion of their ability.
Bill Parcells
Confidence is only born out of one thing demonstrated ability. It is not born of anything else. You cannot dream up confidence. You cannot fabricate it. You cannot wish it. You have to accomplish it.
Bill Parcells
Any penalty - I've told you a hundred times - can be eliminated by concentration or good judgment.
Bill Parcells