A good plan, violently executed now, is better than a perfect plan next week.
George Smith Patton
Many people are persistent in relation of the path they have taken, only few in concern of their goal.
Friedrich Nietzsche
If one does not fail at times, then one has not challenged himself.
Ferdinand Porsche
When everything seems to be going against you, remember that the airplane takes off against the wind, not with it.
Henry Ford
Ingenious people start great works, diligent people finish them.
Leonardo da Vinci
Obstacles are those frightful things you see when you take your eyes off your goal.
Henry Ford
By failing to prepare, you are preparing to fail.
Benjamin Franklin
An investment in knowledge still bears the best interests.
Benjamin Franklin
If an engineer has not had some failures, it is merely evidence that his practice has not been sufficiently extensive.
Benjamin Baker
One should never be so busy as to have no time left for contemplation.
Georg Christoph Lichtenberg