Achieve Quote by Erving Polster

Everyone who becomes a psychotherapist eventually adopts a theory that suits his needs.

— Alexander Lowen

The cure-alls of the present day are infinitely various and infinitely obliging. Applied psychology, autosuggestion, and royal roads to learning or to wealth are…

— Agnes Repplier

There is no good theory of disease which does not at once suggest a cure.

— Ralph Waldo Emerson

“A theory is like medicine or government: often useless, sometimes necessary, always self-serving and, on occasion, lethal. It needs to be used with care,…

— Nassim Nicholas Taleb

Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of invention. ... [Do not] share…

— Louis Pasteur

Theory is good; but it doesn't prevent things from existing.

— Jean-Martin Charcot

Theories that diseases are caused by mental states and can be cured by will power, are always an index of how much is not…

— Susan Sontag

Psychology often becomes the disease of which it should be the cure.

— Bertrand Russell

The important question is whether [a theory] is true, not whether envisioning an alternative is too intellectually painful to bear.

— J. D. Trout

I have a theory that theories are destructive.

— Carl Whitaker

“In the past a theory could get by on its beauty; in the modern world a successful theory has to work for a living.”

— Howard Wainer

Experimental psychology itself has, it is true, now and again suffered relapse into a metaphysical treatment of its problems.

— Wilhelm Wundt