The correct assumption is that what individuals have learned by age twenty-one will begin to become obsolete five to ten years later and will have to be replaced-or at least refurbished-by new learning, new skills, new knowledge.
Peter DruckerCommunication always makes demands. It always demands that the recipient become somebody, do something, believe something. It always appeals to motivation.
Peter DruckerNo financial man will ever understand business because financial people think a company makes money. A company makes shoes, and no financial man understands that. They think money is real. Shoes are real.
Peter Drucker