Some men have a silly theory about beautiful women - that somewhere along the line they'll turn into a monster. That movie gave them a chance to watch it happen. (Quote by - Salma Hayek)

Philosophy is not a theory but an activity. (Quote by - Ludwig Wittgenstein)

It is an acknowledged truth in philosophy that a just theory will always be confirmed by experiment. (Quote by - Thomas Malthus)

A theory must be tempered with reality. (Quote by - Jawaharlal Nehru)

I never wanted to do the same kind of movies over and over anyway, so my theory on it all is I'm just gonna try and dodge the label and keep doing what I am doing. (Quote by - Matt Damon)

Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve. (Quote by - Karl Popper)

Democracy is the theory that the common people know what they want, and deserve to get it good and hard. (Quote by - H. L. Mencken)

I'm a firm believer that in the theory that people only do their best at things they truly enjoy. It is difficult to excel at something you don't enjoy. (Quote by - Jack Nicklaus)

There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened. (Quote by - Douglas Adams)

The things that will destroy America are prosperity-at-any-price, peace-at-any-price, safety-first instead of duty-first, the love of soft living, and the get-rich-quick theory of life. (Quote by - Theodore Roosevelt)

The theory seems to be that as long as a man is a failure he is one of God's children, but that as soon as he succeeds he is taken over by the Devil. (Quote by - H. L. Mencken)

Frankly, these days, without a theory to go with it, I can't see a painting. (Quote by - Tom Wolfe)

The moment a person forms a theory, his imagination sees in every object only the traits which favor that theory. (Quote by - Thomas Jefferson)

You don't attack the grunts of Vietnam; you blame the theory behind the war. Nobody who fought in that war was at fault. It was the war itself that was at fault. It's the same thing with psychotherapy. (Quote by - James Hillman)

Land: A part of the earth's surface, considered as property. The theory that land is property subject to private ownership and control is the foundation of modern society, and is eminently worthy of the superstructure. (Quote by - Ambrose Bierce)

If the Confederacy fails, there should be written on its tombstone: Died of a Theory. (Quote by - Jefferson Davis)

I've got a theory that if you give 100% all of the time, somehow things will work out in the end. (Quote by - Larry Bird)

My theory of hitting was just to watch the ball as it came in and hit it. (Quote by - Tommy Lasorda)

The theory of Communism may be summed up in one sentence: Abolish all private property. (Quote by - Karl Marx)

A young boy is a theory, an old man is a fact. (Quote by - Ed Howe)

The theory that can absorb the greatest number of facts, and persist in doing so, generation after generation, through all changes of opinion and detail, is the one that must rule all observation. (Quote by - Adam Smith)

Architecture theory is very interesting. (Quote by - David Byrne)

Experience without theory is blind, but theory without experience is mere intellectual play. (Quote by - Immanuel Kant)

Read no history: nothing but biography, for that is life without theory. (Quote by - Benjamin Disraeli)

Classic economic theory, based as it is on an inadequate theory of human motivation, could be revolutionized by accepting the reality of higher human needs, including the impulse to self actualization and the love for the highest values. (Quote by - Abraham Maslow)