"Luck never built a business. Prosperity and..." - Quote by Peter Drucker

“What people in business think they know about the customer and market is likely to be more wrong than right...the customer rarely buys what the business thinks it sells him.”

“The knowledge we now consider knowledge proves itself in action. What we now mean by knowledge is information effective in action, information focused on results. Results are outside the person, in society and economy, or in the advancement of knowledge itself. To accomplish anything this knowledge has to be highly specialized.”

“There is a point of complexity beyond which a business is no longer manageable.”

“Rationality is not one of this industry's attributes.”

“Truly great companies are built on ideals, not just deals.”

“Every depression is a challenge to every manufacturer to put more brains into his business.”

“You have to be very productive in order to become excellent. You have to go through a poor period and a mediocre period, and then you move into your excellent period. It may be very well be that some of you have done quite a bit of writing already. You maybe ready to move into your good period and your excellent period. But you shouldn't be surprised if it becomes a very long process.”

“In every kind of endeavor, there are ample opportunities for extra effort. Grab those opportunities, embrace that extra effort and transform ordinary mediocrity into bright and shining excellence.”

“There is no substitute for work.”