I can give you a six-word ...
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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
Flying saucers are real. Too many good men have seen them, that don't have hallucinations.
Eddie Rickenbacker
Courage is doing what you are afraid to do. There can be no courage unless you are scared.
Eddie Rickenbacker
Aviation is proof that given, the will, we have the capacity to achieve the impossible.
Eddie Rickenbacker
The biggest lesson I've learned . . . was that if you have all the fresh water you want to drink and all the food you want to eat, you ought never to complain about anything.
Eddie Rickenbacker
Think positively and masterfully, with confidence and faith, and life become more secure, more fraught with action, richer in experience and achievement.
Eddie Rickenbacker