Long experience has taught me not always to believe in the limitations indicated by purely theoretical considerations. These, as we well know, are based on insufficient knowledge of all the relevant factors.— Guglielmo Marconi
Impressive Theoretic quotations
Everything is theoretically impossible, until it is done.
German Nazism could not have succeeded in establishing itself except as a result of the theoretical contributions of Fichte, Goethe and Nietzsche, coupled with the ingenious and mighty leadership of Hitler and his comrades.
Each department of knowledge passes through three stages.
The theoretic stage; the theological stage and the metaphysical or abstract stage.
Thus not only the mental and the material, but the theoretical and the practical in the mathematical world, are brought into more intimate and effective connection with each other.
I suggest that Black feminist thought consists of specialised knowledge created by African-American women which clarifies a standpoint of and for Black women. In other words, Black feminist thought encompasses theoretical interpretations of Black women's reality by those who live it.
The step between practical and theoretic science, is the step between the miner and the geologist, the apocathecary and the chemist.
Post-structuralism is among other things a kind of theoretical hangover from the failed uprising of ‘68, a way of keeping the revolution warm at the level of language, blending the euphoric libertarianism of that moment with the stoical melancholia of its aftermath.
It is odd, but on the infrequent occasions when I have been called upon in a formal place to play the bongo drums, the introducer never seems to find it necessary to mention that I also do theoretical physics.
If you find that you're spending almost all your time on theory, start turning some attention to practical things; it will improve your theories. If you find that you're spending almost all your time on practice, start turning some attention to theoretical things; it will improve your practice.
Philosophers of science have repeatedly demonstrated that more than one theoretical construction can always be placed upon a given collection of data.
Nothing excites jaded Grandmasters more than a theoretical novelty
The fear of speculation, the ostensible rush from the theoretical to the practical, brings about the same shallowness in action that it does in knowledge. It is by studying a strictly theoretical philosophy that we become most acquainted with Ideas, and only Ideas provide action with vigour and ethical meaning.
The problem of peaceful transition to socialism, we do not discuss it as a theoretical question. But in America it is very difficult, and it is nearly impossible. That is why specifically in America we say that the road to the liberation of peoples, which will be the road of socialism will go through bullets in almost all countries.
Mankind may amuse themselves with theoretic systems of liberty.
.. but we can only discern its true value by the practical and wretched effects of slavery.
Where is everybody? Humans could theoretically colonize the galaxy in a million years or so, and if they could, astronauts from older civilizations could do the same. So why haven't they come to Earth?
There is not some glorious theoretical synthesis of capitalism that you can write down in a book and follow. You have to grope your way
I see anarchism as the theoretical ideal to which we are all gradually evolving to a point where everybody can tell the truth to everybody else and nobody can get punished for it. That can only happen without hierarchy and without people having the authority to punish other people.
For me, playwriting is and has always been like making a chair.
Your concerns are balance, form, timing, lights, space, music. If you don't have these essentials, you might as well be writing a theoretical essay, not a play.
The theoretical side of physical chemistry is and will probably remain the dominant one; it is by this peculiarity that it has exerted such a great influence upon the neighboring sciences, pure and applied, and on this ground physical chemistry may be regarded as an excellent school of exact reasoning for all students of the natural sciences.
I think it's almost definite that the game is a draw theoretically.
Everything is theoretically impossible, until it is done.
The theoretically unrestricted right to develop power, to wage war against other states, is antisocial and is doubly dangerous, because the state as a mass entity represents a low moral and intellectual level.
The work is what it is and hopefully it's seen as feminist work, or feminist-advised work, but I'm not going to go around espousing theoretical bullshit about feminist stuff.
In my own view, some advice about what should be known, about what technical education should be acquired, about the intense motivation needed to succeed, and about the carelessness and inclination toward bias that must be avoided is far more useful than all the rules and warnings of theoretical logic.
That which Steinitz gave to the theoretical aspect of the game when he was at his best is very remote to all out home-bred chess philosophers, but with his views on Morphy, whom he tries to discredit completely, it is of course impossible to agree.
The discipline of economics has yet to get over its childish passion for mathematics and for purely theoretical and often highly ideological speculation, at the expense of historical research and collaboration with the other social sciences.
I think I was first awakened to musical exploration by Dizzy Gillespie and Bird.
It was through their work that I began to learn about musical structures and the more theoretical aspects of music.
In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken..."
In Marseilles they make half the toilet soap we consume in America, but the Marseillaise only have a vague theoretical idea of its use, which they have obtained from books of travel.
I need scarcely say that the beginning and maintenance of life on earth is absolutely and infinitely beyond the range of all sound speculation in dynamical science. The only contribution of dynamics to theoretical biology is absolute negation of automatic commencement or automatic maintenance of life.
The teaching of the church, theoretically astute, is a lie in practice and a compound of vulgar superstitions and sorcery.
One of the goals of philosophy is wage theoretical battle.
That is why we can say that every thesis is always, by its very nature, an antithesis. A thesis is only ever put forward in opposition to another thesis, or in defence of a new one.
Faith means belief in something concerning which doubt is theoretically possible.
I am now convinced that theoretical physics is actually philosophy.
I think the brain is essentially a computer and consciousness is like a computer program. It will cease to run when the computer is turned off. Theoretically, it could be re-created on a neural network, but that would be very difficult, as it would require all one's memories.