Stephen Hawking citátov

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Stephen Hawking

Dátum narodenia: 8. január 1942
Dátum úmrtia: 14. marec 2018
Ďalšie mená: Stephen William Hawking, Стивен Хокинг

Stephen William Hawking je jeden z popredných svetových teoretických fyzikov. Hawking je od roku 1979 lucasiánsky profesor matematiky na univerzite v Cambridge a vedecký pracovník na katedre Gonville a Caius tej istej univerzity. Skutočnosť, že zastáva tento post napriek takmer celkovej pracovnej neschopnosti kvôli amyotrofnej laterálnej skleróze, z neho urobila svetovú hviezdu. 8. januára 2009 bol emeritovaný, nakoľko dosiahne dôchodkový vek 67 rokov.

„Takže Einstein sa mýlil, keď povedal „Boh nehrá kocky.““

—  Stephen Hawking

Uvažovanie o čiernych dierach nasvedčuje, že Boh nielenže hrá kocky, ale občas ich hádže aj tam, kde ich nikto nemôže vidieť.
So Einstein was wrong when he said "God does not play dice". Consideration of black holes suggests, not only that God does play dice, but that He sometimes confuses us by throwing them where they can't be seen. (en)
Hawkingova reakcia na Einsteinov výrok „Boh nehrá kocky.“ v Information Loss in Black Holes, Júl 2005
Potvrdené výroky

Citát „Tichí ľudia majú najhlasnejšiu myseľ.“

„Môj cieľ je prostý. Je to úplné chápanie vesmíru, prečo je taký aký je a prečo vôbec existuje.“

—  Stephen Hawking

My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all. (en)
Prisudzované výroky

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„Najväčším nepriateľom poznania nie je nevedomosť, je ním ilúzia poznania.“

—  Stephen Hawking

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge. (en)
Prisudzované výroky
Varianta: Najväčším nepriateľom poznania nie je ignorancia, je ním ilúzia poznania.

„Sotva som niekedy poznal matematika, ktorý bol schopný odôvodňovať.“

—  Stephen Hawking

I have hardly ever known a mathematician who was able to reason. (en)
Prisudzované výroky

„Takže Einstein sa mýlil, keď povedal "Boh nehrá kocky". Uvažovanie o čiernych dierach nasvedčuje, že Boh nielenže hrá kocky, ale občas ich hádže aj tam, kde ich nikto nemôže vidieť.“

—  Stephen Hawking

en
Varianta: Takže Einstein sa mýlil, keď povedal „Boh nehrá kocky.“ Uvažovanie o čiernych dierach nasvedčuje, že Boh nielenže hrá kocky, ale občas ich hádže aj tam, kde ich nikto nemôže vidieť.

„Yet all the evidence is that it evolves in a regular way according to certain laws. It would therefore seem reasonable to suppose that there are also laws governing the boundary conditions.“

—  Stephen Hawking

"The Quantum State of the Universe", Nuclear Physics (1984) <!-- B239, p. 258 -->
Kontext: Many people would claim that the boundary conditions are not part of physics but belong to metaphysics or religion. They would claim that nature had complete freedom to start the universe off any way it wanted. That may be so, but it could also have made it evolve in a completely arbitrary and random manner. Yet all the evidence is that it evolves in a regular way according to certain laws. It would therefore seem reasonable to suppose that there are also laws governing the boundary conditions.

„I still believe there are grounds for cautious optimism that we may now be near the end of the search for the ultimate laws of nature.“

—  Stephen Hawking, kniha A Brief History of Time

Zdroj: A Brief History of Time (1988), Ch. 11
Kontext: As I shall describe, the prospects for finding such a theory seem to be much better now because we know so much more about the universe. But we must beware of overconfidence - we have had false dawns before! At the beginning of this century, for example, it was thought that everything could be explained in terms of the properties of continuous matter, such as elasticity and heat conduction. The discovery of atomic structure and the uncertainty principle put an emphatic end to that. Then again, in 1928, physicist and Nobel Prize winner Max Born told a group of visitors to Gottingen University, "Physics, as we know it, will be over in six months." His confidence was based on the recent discovery by Dirac of the equation that governed the electron. It was thought that a similar equation would govern the proton, which was the only other particle known at the time, and that would be the end of theoretical physics. However, the discovery of the neutron and of nuclear forces knocked that one on the head too. Having said this, I still believe there are grounds for cautious optimism that we may now be near the end of the search for the ultimate laws of nature.

„So what is real and what is imaginary? Is the distinction just in our minds?“

—  Stephen Hawking, kniha The Universe in a Nutshell

The Universe in a Nutshell (2001), p. 59
Kontext: One might think this means that imaginary numbers are just a mathematical game having nothing to do with the real world. From the viewpoint of positivist philosophy, however, one cannot determine what is real. All one can do is find which mathematical models describe the universe we live in. It turns out that a mathematical model involving imaginary time predicts not only effects we have already observed but also effects we have not been able to measure yet nevertheless believe in for other reasons. So what is real and what is imaginary? Is the distinction just in our minds?

„Each time new experiments are observed to agree with the predictions the theory survives, and our confidence in it is increased; but if ever a new observation is found to disagree, we have to abandon or modify the theory.“

—  Stephen Hawking, kniha A Brief History of Time

Zdroj: A Brief History of Time (1988), Ch. 1
Kontext: Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it. No matter how many times the results of experiments agree with some theory, you can never be sure that the next time the result will not contradict the theory. On the other hand, you can disprove a theory by finding even a single observation that disagrees with the predictions of the theory. As philosopher of science Karl Popper has emphasized, a good theory is characterized by the fact that it makes a number of predictions that could in principle be disproved or falsified by observation. Each time new experiments are observed to agree with the predictions the theory survives, and our confidence in it is increased; but if ever a new observation is found to disagree, we have to abandon or modify the theory.

„Mankind's greatest achievements have come about by talking, and its greatest failures by not talking.“

—  Stephen Hawking

British Telecom advertisement (1993), part of which was used in Pink Floyd's Keep Talking (1994) and Talkin' Hawkin'<nowiki/> (2014)
Kontext: For millions of years, mankind lived just like the animals. Then something happened which unleashed the power of our imagination. We learned to talk and we learned to listen. Speech has allowed the communication of ideas, enabling human beings to work together to build the impossible. Mankind's greatest achievements have come about by talking, and its greatest failures by not talking. It doesn't have to be like this. Our greatest hopes could become reality in the future. With the technology at our disposal, the possibilities are unbounded. All we need to do is make sure we keep talking.

„Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Etiam egestas wisi a erat. Morbi imperdiet, mauris ac auctor dictum.“

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