The idea that women were oppressed throughout history is an appalling theory.

The ground of science was littered with the corpses of dead unified theories.

Theories are always very thin and insubstantial, experience only is tangible.

Our concern, however, is with slavery as it is, and not with any theory of it.

The hour has arrived to abandon theories and go directly to what is practical.

I'm not sure what theory is, unless it's the pursuit of fundamental questions.

When I dealt with set theory, I could never make it be the music that I wanted.

It is a test of true theories not only to account for but to predict phenomena.

The farther the experiment is from theory, the closer it is to the Nobel Prize.

I always had the theory that if you have a dream, chase it. And I'm chasing it.

For the most part, quantum theory has been of little practical value in my life.

Never worry about theory as long as the machinery does what it's supposed to do.

If facts conflict with a theory, either the theory must be changed or the facts.

When that theory is isolated from known facts, it is likely not to be productive.

Something unknown is doing we don't know what-that is what our theory amounts to.

All theory, dear friend, is gray, but the golden tree of life springs ever green.

We've heard some theories, but there is a lot of mystery surrounding my adoption.

For me, the American promise isn't just an idea or a theory - it's my life story.

Rational behavior requires theory. Reactive behavior requires only reflex action.

No theory changes what it is a theory about; man remains what he has always been.

If I subscribed to the efficient market theory I would still be delivering papers

No theory of life seemed to him to be of any importance compared with life itself

The whole theory of the universe is directed unerringly to one single individual.

I was an English major, so I love discussing possibilities and alternate theories.

I don't know anything about music theory at all. Zero. But I don't really need to.

She firmly held the theory that everyone gets at least one very stupid superpower.

I would trade all my experimental works for the single idea of the benzene theory.

Very simple was my explanation, and plausible enough---as most wrong theories are!

Theory can leave questions unanswered, but practice has to come up with something.

I have a theory that Southern madhouses are full of gifted women who were stifled.

Passing my motorcycle theory test gave me a disproportionate feeling of greatness.

Today's practicality is often no more than the accepted form of yesterday's theory.

Architecture doesn't come from theory. You don't think your way through a building.

I don't believe in the moon landing conspiracy theory. I don't believe in Big Foot.

In theory there is no difference between theory and practice. In practice there is.

A good scientific theory is one which is falsifiable, which has not been falsified.

It is human to search for the theory of everything and it is superhuman to find it.

Life is not theory. It is reality, with inherent duties to everything and everyone.

It is very difficult to teach navigation theory to someone who clings to the shore.

The cyclic universe theory predicts no gravitational waves from the early universe.

I think voting for the lesser of two evils in game theory always leads to more evil.

I have a theory that evolutionary biologists are more vain than particle physicists.

I have a theory that movies operate on the level of dreams, where you dream yourself.

The electron is a theory. But the theory is so good we can almost consider them real.

The purpose of economic theory is to make those who are comfortable FEEL comfortable.

If the Confederacy fails, there should be written on its tombstone: Died of a Theory.

A political theory seeks to find from history the limits of the politically possible.

Our best theory of describing space at a fundamental level is probably string theory.

It's too sad to live eating theories. The best thing is to transmute wisdom into love.

I write music that sounds complex but isn't. I frankly never think in terms of theory.

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