“Efficiency is doing the thing right. Effectiveness is doing the right thing.”

“Management is doing things right; leadership is doing the right things.”

“There is nothing so useless as doing efficiently that which should not be done at all.”

“There is nothing quite so useless, as doing with great efficiency, something that should not be done at all.”

“There is surely nothing quite so useless as doing with great efficiency what should not be done at all.”

“To be sure, the fundamental task of management remains the same: to make people capable of joint performance through common goals, common values, the right structure, and the training and development they need to perform and to respond to change.”

“The most important thing in communication is to hear what isn't being said.”