The framing of a problem is often far more essential than its solution, because the exact framing of the problem leads to its solution.
If I had asked people what they wanted, they would have said faster horses.
If you're doing something the same way you have been doing it for ten years, the chances are you are doing it wrong.
Planning without execution is mostly useless - execution without planning is mostly fatal.
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.
A business that makes nothing but money is a poor business.
If you always do what you've always done, you'll always get what you've always got.
Experience is called the sum of all our mistakes.
Thomas Alva Edison
Ingenious people start great works, diligent people finish them.
Leonardo da Vinci
One should never be so busy as to have no time left for contemplation.
Georg Christoph Lichtenberg