The incomplete knowledge of a system must be an essential part of every formulation in quantum theory. Quantum theoretical laws must be… — Werner Heisenberg Copy Share Image
Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of invention. ... [Do… — Louis Pasteur Copy Share Image
In some ways I'm a frustrated scientist or mathematician. The amount of times I've thought I'd go back to university and do… — Scarlett Thomas Copy Share Image
Most theoretical work since the proposals of Hebb (1949) and Hayek (1952) has relied upon particular forms of dependent synaptic rules in… — Gerald Edelman Copy Share Image
"What would I do if?.." By thinking tactically, we can more easily arrive at correct tactical solutions, and practice - even theoretical… — Jeff Cooper Copy Share Image
A second possible approach to general systems theory is through the arrangement of theoretical systems and constructs in a hierarchy of complexity,… — Kenneth E. Boulding Copy Share Image
I started playing classical music, and I still do. I think music ultimately is kind of on a theoretical level, is about… — Eldar Djangirov Copy Share Image
The recurrence of a phenomenon like Edison is not very likely. The profound change of conditions and the ever increasing necessity of… — Nikola Tesla Copy Share Image
The classes of problems which are respectively known and not known to have good algorithms are of great theoretical interest. [...] I… — Jack Edmonds Copy Share Image
The funny thing is, nationalism only could have come about in Europe after the invention of printing. You could have this thing… — Ben Katchor Copy Share Image
All the questions discussed in the Talmud and related rabbinic literature are normative questions: either they are questions of what one is… — David Novak Copy Share Image
If you want to find out anything from the theoretical physicists about the methods they use, I advise you to stick closely… — Albert Einstein Copy Share Image
This doesn't show that there is anything wrong with our theoretical understanding, any more than the intuition that the Earth is at… — David Papineau Copy Share Image
The science behind Interstellar is interesting, because some of it is absolutely real astrophysics and orbital mechanics, some of it is theoretical… — Julie Payette Copy Share Image
I think philosophers can do things akin to theoretical scientists, in that, having read about empirical data, they too can think of… — Robert Nozick Copy Share Image
The theoretical side of physical chemistry is and will probably remain the dominant one; it is by this peculiarity that it has… — Svante Arrhenius Copy Share Image
You must know the difference between imagination, theoretical knowledge and true realization. Could you nourish yourself by only listening to a talk… — Paramahansa Yogananda Copy Share Image
There are... scientific works - star catalogues, for example - which are not art; but the theoretical structures of Gauss, Einstein, or… — James R Newman Copy Share Image
History shows that the human mind, fed by constant accessions of knowledge, periodically grows too large for its theoretical coverings, and bursts… — Charles Darwin Copy Share Image
Neoliberalization has not been very effective in revitalizing global capital accumulation, but it has succeeded remarkably well in restoring, or in some… — David Harvey Copy Share Image
If you find that you're spending almost all your time on theory, start turning some attention to practical things; it will improve… — Donald Knuth Copy Share Image
Poverty that is learned with the humble, the poor, the sick and all those who are on the existential peripheries of life.… — Pope Francis Copy Share Image
I'm a pluralist about perspectives on literature. There seem to me to be all sorts of illuminating ways of responding to major… — Philip Kitcher Copy Share Image
This fear of criticism displayed by the advocates of freedom of criticism cannot be attributed solely to craftiness. No, the majority of… — Vladimir Lenin Copy Share Image
I think she [Rosalind Franklin] was a good experimentalist but certainly not of the first rank. She was simply not in the… — Francis Crick Copy Share Image
My relationship to the desecration of the earth was very theoretical and intellectual until I got sick. I could never watch anything… — Eve Ensler Copy Share Image
And then there is Pythagoras. The legend is that the founder of theoretical mathematics was so outraged when one of his students,… — Rebecca Goldstein Copy Share Image
Contrary to the legend, Darwin's finches do not appear to have inspired his earliest theoretical views on evolution, even after he finally… — Frank Sulloway Copy Share Image
Parking Reform Made Easy provides both a theoretical framework and practical methods for reforming parking requirements. By giving planners a sound basis… — Donald Shoup Copy Share Image
What with the political monopoly, the Cheka and the Red Army, all that now existed of the 'Commune-State' of our dreams was… — Victor Serge Copy Share Image
At a theoretical level, I think a naturalist approach to religion is just asking questions I'm not interested in. They're perfectly legitimate… — George Pattison Copy Share Image
Science has been effective at furthering our understanding of nature because the scientific ethos is based on three key principles: (1) follow… — Lawrence M. Krauss Copy Share Image
Besides language and music, it [mathematics] is one of the primary manifestations of the free creative power of the human mind, and… — Hermann Weyl Copy Share Image
Once the philosophical foundation of democracy has collapsed, the statement that dictatorship is bad is rationally valid only for those who are… — Max Horkheimer Copy Share Image
Talkative represents the man or woman who delights in talking about divine things but has only theoretical knowledge of such things. No… — John Bunyan Copy Share Image
Responsible Development is the style of development I aspire to now. It can be summarized by answering the question, How would I… — Kent Beck Copy Share Image
To avert the danger [posed by theory] to life, Nietzsche could choose one of two ways: he could insist on the strictly… — Leo Strauss Copy Share Image
Terrorism - radical jihadist terrorism is not theoretical to me. It's real. And for seven years, I spent my life protecting our… — Chris Christie Copy Share Image
This is often the way it is in physics - our mistake is not that we take our theories too seriously, but… — Steven Weinberg Copy Share Image
You can't have a novel without real, believable people, and once you get into either too theoretical a novel or too philosophical… — Julian Barnes Copy Share Image
![“Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of invention. ... [Do not] share the opinion of those narrow minds who disdain everything in science which has not an immediate application. ... A theoretical discovery has but the merit of…” quote by Louis Pasteur](https://sms4smile.com/quotes/img-quotes/298/louis-pasteur-3151_application_without-theory-practice-is-but-routine-b_1446109.jpg)
![“A second possible approach to general systems theory is through the arrangement of theoretical systems and constructs in a hierarchy of complexity, roughly corresponding to the complexity of the "individuals" of the various empirical fields... leading towards a "system of systems." [...] I suggest…” quote by Kenneth E. Boulding](https://sms4smile.com/quotes/img-quotes/eca/kenneth-e-boulding-3728_animal_a-second-possible-approach-to-general-sy_1597191.jpg)
![“The classes of problems which are respectively known and not known to have good algorithms are of great theoretical interest. [...] I conjecture that there is no good algorithm for the traveling salesman problem. My reasons are the same as for any mathematical conjecture: (1) It is a legitimate…” quote by Jack Edmonds](https://sms4smile.com/quotes/img-quotes/43a/jack-edmonds-61996_algorithms_the-classes-of-problems-which-are-respec_50487.jpg)
![“I think she [Rosalind Franklin] was a good experimentalist but certainly not of the first rank. She was simply not in the same class as Eigen or Bragg or Pauling, nor was she as good as Dorothy Hodgkin. She did not even select DNA to study. It was given to her. Her theoretical crystallography was…” quote by Francis Crick](https://sms4smile.com/quotes/img-quotes/bf9/francis-crick-8439_average_i-think-she-rosalind-franklin-was-a-good_1215256.jpg)
![“Besides language and music, it [mathematics] is one of the primary manifestations of the free creative power of the human mind, and it is the universal organ for world understanding through theoretical construction. Mathematics must therefore remain an essential element of the knowledge and…” quote by Hermann Weyl](https://sms4smile.com/quotes/img-quotes/48e/hermann-weyl-16709_ability_besides-language-and-music-it-mathematic_2408893.jpg)
![“To avert the danger [posed by theory] to life, Nietzsche could choose one of two ways: he could insist on the strictly esoteric character of the theoretical analysis of life - that is, restore the Platonic notion of the noble delusion - or else he could deny the possibility of theory proper and so…” quote by Leo Strauss](https://sms4smile.com/quotes/img-quotes/3dd/leo-strauss-12446_adopted_to-avert-the-danger-posed-by-theory-to-l_1610746.jpg)
