You can define how strong a ...
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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
Food from the platter / Water from the rain / The subject and the matter / I'm going home again / Can't sell a leaf to a tree / Nor the wind to the atmosphere / I know where I am meant to be / And I can't be satisfied here
Lemn Sissay