"Management by objective works – if you know the objectives. Ninety percent of the time you don’t." ― Peter Drucker Topic(s): Time Tags: management, objective, works More From Peter Drucker "The productivity of work is not the responsibility of the worker but of the manager." "People who don’t take risks generally make about two big mistakes a year. People who do take risks generally make about two big mistakes a year." "Plans are only good intentions unless they immediately degenerate into hard work." More In Time "The worst time to have a heart attack is during a game of charades."― Demetri Martin "I have made it a rule never to smoke more that one cigar at a time."― Mark Twain "Those who make the worst use of their time are the first to complain of its shortness."― Jean de la Bruyere