Peter Drucker

The first rule in decision-making is that one does not make a decision unless there is disagreement.

If there is any one "secret" of effectiveness, it is concentration. Effective executives do first things first and they do one thing at a time.

Efficiency is concerned with doing things right. Effectiveness is doing the right things.

The entrepreneur always searches for change, responds to it, and exploits it as an opportunity.

Innovation is the specific instrument of entrepreneurship. It is the act that endows resources with a new capacity to create wealth.

Success in the knowledge economy comes to those who know themselves — their strengths, their values, and how they best perform.

Meetings are by definition a concession to deficient organization. For one either meets or one works. One cannot do both at the same time.

There is only one valid definition of business purpose: to create a customer.

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

Culture eats strategy for breakfast.

What gets measured gets managed.