Theory Quotes

Theory Quote of the day

Democracy is beautiful in theory; in practice it is a fallacy.

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.

Evolution is just a theory? Well, so is gravity and I don't see you jumping out of buildings.

Experience without theory is blind, but theory without experience is mere intellectual play.

A scientific theory is a tool and not a creed.

My theory is, strong people don't need strong leaders.

Yoga is 99% practice and 1% theory.

Be ready to revise any system, scrap any method, abandon any theory, if the success of the job requires it.

I have this theory that if one person can go out of their way to show compassion then it will start a chain reaction of the same.

It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

Positivism is a theory of knowledge according to which the only kind of sound knowledge available to human kind is that if science grounded in observation.

A theory which is not refutable by any conceivable event is non-scientific. Irrefutability is not a virtue of a theory (as people often think) but a vice.

You hear the word, and believe it in theory, while you deny it in practice. I say to you, that 'you deceive yourselves'.

The legal theory is, that marriage makes the husband and wife one person, and that person is the husband.

I've got a theory that if you give 100% all of the time, somehow things will work out in the end.

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.

Radical constructivism, thus, is radical because it breaks with convention and develops a theory of knowledge in which knowledge does not reflect an 'objective' ontological reality.

It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.

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

Young people everywhere have been allowed to choose between love and a garbage disposal unit. Everywhere they have chosen the garbage disposal unit.

A feeble execution is but another phrase for a bad execution; and a government ill executed, whatever may be its theory, must, in practice, be a bad government.

Democracy, the deceitful theory that the Jew would insinuate - namely, that theory that all men are created equal.

Human beings are pattern-seeking animals who will prefer even a bad theory or a conspiracy theory to no theory at all.

When a torrent sweeps a man against a boulder, you must expect him to scream, and you need not be surprised if the scream is sometimes a theory.

The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity.

But the nature of my main work in chemistry can be better represented by more than 280 English publications, of which roughly 200 concern the theory of chemical reactions and related subjects.

But one did not do feminist theory, as such, in those days, not only because male academic discourse did not recognize such a term, but especially because the womens movement did not either.

Today, the theory of evolution is an accepted fact for everyone but a fundamentalist minority, whose objections are based not on reasoning but on doctrinaire adherence to religious principles.

Can you measure it? Can you express it in figures? Can you make a model of it? If not, your theory is apt to be based more upon imagination than upon knowledge.

There was a long history of speculation that in quantum gravity, unlike Einstein's classical theory, it might be possible for the topology of spacetime to change.

My goal is to formulate a new color theory based on the full spectrum of visible light.

Philosophy is, in the last instance, class struggle in the field of theory.

Postmodernism is an academic theory, originating in academia with an academic elite, not in the world of women and men, where feminist theory is rooted.

The truth of a theory can never be proven, for one never knows if future experience will contradict its conclusions.

Music is the one incorporeal entrance into the higher world of knowledge which comprehends mankind but which mankind cannot comprehend.

A theory with mathematical beauty is more likely to be correct than an ugly one that fits some experimental data.

Psychology cannot tell people how they ought to live their lives. It can however, provide them with the means for effecting personal and social change.

I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.

I always had the theory that the most important thing is be happy, enjoy what are you doing, and be fresh mentally.

Today the theory of evolution is about as much open to doubt as the theory that the earth goes round the sun.

A theory that you can't explain to a bartender is probably no damn good.

Your theory is crazy, but it's not crazy enough to be true.

Don't try to become a teacher overnight with psychological bookkeeping in your heart and educational theory in your head.

All are sure in their days except the most wise ... He is the wisest philosopher who holds his theory with some doubt.

When forced to summarize the general theory of relativity in one sentence: Time and space and gravitation have no separate existence from matter.

In baseball, my theory is to strive for consistency, not to worry about the numbers. If you dwell on statistics you get shortsighted; if you aim for consistency, the numbers will be there at the end.

I am a misanthropic humanist... Do I like people? They're great, IN THEORY.

If the freedom of religion, guaranteed to us by law in theory, can ever rise in practice under the overbearing inquisition of public opinion, [then and only then will truth]prevail over fanaticism.

By means of microscopic observation and astronomical projection the lotus flower can become the foundation for an entire theory of the universe and an agent whereby we may perceive Truth.