
Peter Drucker on confusing efficiency with effectiveness https://t.co/rEFOWSrjsU

Peter Drucker said, “There is surely nothing quite so useless as doing with great efficiency what should not be done at all.”2
Eric Ries • The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses
blog.samaltman.com • Productivity
If the executive lets the flow of events determine what he does, what he works on, and what he takes seriously, he will fritter himself away “operating.” He may be an excellent man. But he is certain to waste his knowledge and ability and to throw away what little effectiveness he might have achieved. What the executive needs are criteria which ena
... See morePeter F. Drucker • The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials)
the difference between time-use and time-waste is effectiveness and results.
Peter F. Drucker • The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials)
For manual work, we need only efficiency; that is, the ability to do things right rather than the ability to get the right things done.
Peter F. Drucker • The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials)
The knowledge worker must be focused on the results and performance goals of the entire organization to have any results and performance at all.
Peter F. Drucker • The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials)
Peter Drucker • The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials)
productivity for the knowledge worker means the ability to get the right things done. It means effectiveness.