"Follow effective action with quiet reflection. From the quiet reflection will come even more effective action."

"Plans are only good intentions unless they immediately degenerate into hard work."

"Never mind your happiness; do your duty."

"When a subject becomes totally obsolete we make it a required course."

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

"Management is doing things right; leadership is doing the right things."

"Efficiency is doing things right; effectiveness is doing the right things."

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

"We can say with certainty - or 90% probability - that the new industries that are about to be born will have nothing to do with information."

"Checking the results of a decision against its expectations shows executives what their strengths are, where they need to improve, and where they lack knowledge or information."

"Trying to predict the future is like trying to drive down a country road at night with no lights while looking out the back window."

"Efficiency is doing better what is already being done."

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

"Effective leadership is not about making speeches or being liked; leadership is defined by results not attributes."

"We now accept the fact that learning is a lifelong process of keeping abreast of change. And the most pressing task is to teach people how to learn."

"Management by objective works - if you know the objectives. Ninety percent of the time you don't."

"No institution can possibly survive if it needs geniuses or supermen to manage it. It must be organized in such a way as to be able to get along under a leadership composed of average human beings."

"The aim of marketing is to know and understand the customer so well the product or service fits him and sells itself."

"The best way to predict the future is to create it."

"The only thing we know about the future is that it will be different."

"The most efficient way to produce anything is to bring together under one management as many as possible of the activities needed to turn out the product."

"Knowledge has to be improved, challenged, and increased constantly, or it vanishes."

"The productivity of work is not the responsibility of the worker but of the manager."

"Suppliers and especially manufacturers have market power because they have information about a product or a service that the customer does not and cannot have, and does not need if he can trust the brand. This explains the profitability of brands."

"So much of what we call management consists in making it difficult for people to work."

"A manager is responsible for the application and performance of knowledge."

"My greatest strength as a consultant is to be ignorant and ask a few questions."

"The purpose of a business is to create a customer."

"Unless commitment is made, there are only promises and hopes... but no plans."

"Few companies that installed computers to reduce the employment of clerks have realized their expectations... They now need more, and more expensive clerks even though they call them 'operators' or 'programmers.'"

"The most important thing in communication is hearing what isn't said."

"Accept the fact that we have to treat almost anybody as a volunteer."

"Company cultures are like country cultures. Never try to change one. Try, instead, to work with what you've got."

"Today knowledge has power. It controls access to opportunity and advancement."

"Executives owe it to the organization and to their fellow workers not to tolerate nonperforming individuals in important jobs."

"Rank does not confer privilege or give power. It imposes responsibility."

"Teaching is the only major occupation of man for which we have not yet developed tools that make an average person capable of competence and performance. In teaching we rely on the "naturals," the ones who somehow know how to teach."

"Most discussions of decision making assume that only senior executives make decisions or that only senior executives' decisions matter. This is a dangerous mistake."

"The purpose of business is to create and keep a customer."

"Business, that's easily defined - it's other people's money."

"Most of what we call management consists of making it difficult for people to get their work done."

"Time is the scarcest resource and unless it is managed nothing else can be managed."

"Making good decisions is a crucial skill at every level."

"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."

"The computer is a moron."

"The new information technology... Internet and e-mail... have practically eliminated the physical costs of communications."

"The growth for education and training will be in continuing adult education. Online delivery is the trigger for this growth, but the demand for lifetime education stems from profound changes in society. We live in an economy where knowledge, not buildings and machinery, is the chief resource and where knowledge-workers make up the biggest part of the work force."

"Education can no longer be the sole property of the state."

"Whenever you see a successful business, someone once made a courageous decision"

"A business exists to create a customer"