“Leave enough time unscheduled; anyone in a decision-making position should, as a rule, schedule no more than half his time.Peter F. Drucker
“Every organization of today has to build into its very structure the management of change.Peter F. Drucker
“The talk you hear about adapting to change is not only stupid, it's dangerous. The only way you can manage change is to create it.Peter F. Drucker
“Few companies that installed computers to reduce the employment of clerks have realized their expectations.... They now need more, and more expensive clerks even though they call them "operators" or "programmers."Peter F. Drucker