Even a stopped clock is right ...
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
There is only one proof of ability - action.
Marie von Ebner-Eschenbach
Between being able to and actually doing something lies an ocean, and on its bottom rests all too often the wreck of willpower.
Marie von Ebner-Eschenbach
Oh happy pessimists! What a joy it is to them to be able to prove again and again that there is no joy.
Marie von Ebner-Eschenbach
To accept reason is impossible if you don't already possess it.
Marie von Ebner-Eschenbach
Accident is veiled necessity.
Marie von Ebner-Eschenbach