If one does not fail at times, then one has not challenged himself.

Ferdinand Porsche

Ingenious people start great works, diligent people finish them.

Leonardo da Vinci

Success consists of going from failure to failure without loss of enthusiasm.

Winston Churchill

The best thing a manager can do is to hire the right people.

Lee Iacocca

The framing of a problem is often far more essential than its solution, because the exact framing of the problem leads to its solution.

Albert Einstein

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

Quality means doing it right when no one is looking.

Henry Ford

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

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