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.
Peter Drucker

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

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

The strongest and most effective force in guaranteeing the long-term maintenance of power is not violence in all the forms deployed by the dominant to control the dominated, but consent in all the forms in which the dominated acquiesce in their own domination.
Robert Frost

I often say of George Washington that he was one of the few in the whole history of the world who was not carried away by power.
Robert Frost

Nothing external to you has any power over you.
Ralph Waldo Emerson

Before we acquire great power we must acquire wisdom to use it well.
Ralph Waldo Emerson

Power and speed be hands and feet.
Ralph Waldo Emerson

What it lies in our power to do, it lies in our power not to do.
Aristotle

Anybody can become angry - that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way - that is not within everybody's power and is not easy.
Aristotle

The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival.
Aristotle

In a democracy the poor will have more power than the rich, because there are more of them, and the will of the majority is supreme.
Aristotle

A sense is what has the power of receiving into itself the sensible forms of things without the matter, in the way in which a piece of wax takes on the impress of a signet-ring without the iron or gold.
Aristotle

The one exclusive sign of thorough knowledge is the power of teaching.
Aristotle

Politicians also have no leisure, because they are always aiming at something beyond political life itself, power and glory, or happiness.
Aristotle

There are old heads in the world who cannot help me by their example or advice to live worthily and satisfactorily to myself; but I believe that it is in my power to elevate myself this very hour above the common level of my life.
Henry David Thoreau

You always do what you want to do. This is true with every act. You may say that you had to do something, or that you were forced to, but actually, whatever you do, you do by choice. Only you have the power to choose for yourself.
W. Clement Stone

Prayer is mans greatest power!
W. Clement Stone

Mastering others is strength. Mastering yourself is true power.
Lao Tzu

The power of intuitive understanding will protect you from harm until the end of your days.
Lao Tzu