Success is not final, failure ...

Success is not final, failure is not fatal: it is the courage to continue that counts.
Success is not final, failure is not fatal: it is the courage to continue that counts.

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

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.
The best argument against democracy is a five-minute conversation with the average voter.
All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
History is written by the victors.
Russia is a riddle wrapped in a mystery inside an enigma.