The danger is in acting on what you believe satisfies the customer. You will inevitably make wrong assumptions. Leadership should not even try to gue… - Peter Drucker

Schools everywhere are organized on the assumption that there is only one right way to learn and that it is the same way for everybody.

Successful careers are not planned. They develop when people are prepared for opportunities because they know their strengths, their method of work, and their values.

Measuring requires, first and foremost, analytical ability. But it also demands that measurement be used to make self-control possible rather than abused to control people from the outside and above — that is, to dominate them. It is the common violation of this principle that largely explains why measurement is the weakest area in the work of the manager today. As long as measurements are abused as a tool of control (for instance, as when measurements are used, as a weapon of an internal secret police that supplies audits and critical appraisals of a manager’s performance to the boss without even sending a carbon copy to the manager himself) measuring will remain the weakest area in the manager’s performance.2