Experience is called the sum of all our mistakes.
Thomas Alva Edison
Aren’t the genuine functions of strength always in keeping with unwritten conditions of harmony?
Gustave Alexandre Eiffel
Success is a law of the series, and failures are in between results. Who continues can not avoid to be successful one day.
Thomas Alva Edison
If you're doing something the same way you have been doing it for ten years, the chances are you are doing it wrong.
Charles Kettering
If you always do what you've always done, you'll always get what you've always got.
Henry Ford
The secret to success is constancy of purpose.
Benjamin Disraeli
The art of making plans consists of pre-empting the difficulties of its completion.
Luc de Clapiers, Marqius des Vauvenargues
Whether you think you can, or you think you can’t–you’re right.
Henry Ford
All our knowledge has its origins in our perceptions.
Leonardo da Vinci
With small blows you also fall big trees.
Benjamin Franklin