Experience is called the sum of all our mistakes.
Thomas Alva Edison
With small blows you also fall big trees.
Benjamin Franklin
If it weren't for the last minute nothing would get done.
Mark Twain
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 an engineer has not had some failures, it is merely evidence that his practice has not been sufficiently extensive.
Benjamin Baker
If one does not fail at times, then one has not challenged himself.
Ferdinand Porsche
The secret to success is constancy of purpose.
Benjamin Disraeli
Failure is simply the opportunity to begin again, this time more intelligently.
Henry Ford
Can one think that because we are engineers, beauty does not preoccupy us or that we do not try to build beautiful, as well as solid and long lasting structures?
Gustave Alexandre Eiffel
I hate vacations. If you can build buildings, why sit on the beach?
Philip Johnson