If one does not fail at times, then one has not challenged himself.
Ferdinand Porsche
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
The genius of a construction lies in its simplicity. Everyone can build complex.
Sergei P. Koroljow
If it weren't for the last minute nothing would get done.
Mark Twain
The slowest person, who dosen’t lose sight of his goal, will still be faster as the one straying around with no aim.
Gotthold Ephraim Lessing
Simplicity is the ultimate sophistication.
Leonardo da Vinci
I don’t sell future for instant success.
Werner von Siemens
If an engineer has not had some failures, it is merely evidence that his practice has not been sufficiently extensive.
Benjamin Baker
Success consists of going from failure to failure without loss of enthusiasm.
Winston Churchill
The best executive is the one who has sense enough to pick good men to do what he wants done, and self-restraint to keep from meddling with them while they do it.
Theodore Roosevelt
