One should never be so busy as to have no time left for contemplation.
Georg Christoph Lichtenberg
It is no drama, if the project doesn’t go according to plan. It is a drama, if the project manager doesn’t know anything about it.
Peter Hobbs
No plan survives contact with reality. (Inspired by “No plan survives the first enemy contact”)
Helmuth von Moltke
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
If one does not fail at times, then one has not challenged himself.
Ferdinand Porsche
A good plan, violently executed now, is better than a perfect plan next week.
George Smith Patton
Experience is called the sum of all our mistakes.
Thomas Alva Edison
The only way to do great work is to love what you do.
Steve Jobs
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
Rather decide almost right than exactly wrong.
Johann Wolfgang von Goethe