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
There are more people who surrender, than those who fail.
Henry Ford
The genius of a construction lies in its simplicity. Everyone can build complex.
Sergei P. Koroljow
If one does not fail at times, then one has not challenged himself.
Ferdinand Porsche
Simplicity is the ultimate sophistication.
Leonardo da Vinci
The errors which arise from the absence of facts are far more numerous and more durable than those which result from unsound reasoning respecting true data.
Charles Babbage
A wise man doesn’t make all mistakes himself. He gives others a chance too.
Winston Churchhill
If there is any one secret of success, it lies in the ability to get the other person's point of view and see things from that person's angle as well as from your own.
Henry Ford
Ingenious people start great works, diligent people finish them.
Leonardo da Vinci
No plan survives contact with reality. (Inspired by “No plan survives the first enemy contact”)
Helmuth von Moltke