Frases de Nikola Tesla (138 citações, página 3)

Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality.
Fonte: "Radio Power Will Revolutionize the World". Modern Mechanics and Inventions, July, 1934. http://en.wikiquote.org/wiki/Nikola_Tesla

De idade , Realidade , Matemática

“É certamente preferível produzir vegetais, e penso, por isso, que o vegetarianismo é um louvável abandono de um habito bárbaro instituído. Que podemos subsistir com alimentos vegetais e fazer o nosso trabalho até com vantagens não é uma teoria, mas sim um facto bem demonstrado. Muitas raças vivem quase exclusivamente á base de vegetais e são superiores psicologicamente e em força. (…) Tendo em conta estes factos, todos os esforços devem ser feitos para parar o abate cruel e desnecessários de animais, que deve ser destrutivo para os nossos princípios morais.”

Nikola Tesla

Texto publicado na Century Illustrated Magazine, em Junho de 1900

Animais , Esforço

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“O que um homem chama de Deus, o outro chama de leis da física.”

Nikola Tesla

De homens , De deus , De leis

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“É preciso ser sensato para pensar com clareza, mas pode-se pensar profundamente e ser bastante insano.”

Nikola Tesla

Nikola Tesla: Frases em inglês

“But instinct is something which transcends knowledge. We have, undoubtedly, certain finer fibers that enable us to perceive truths when logical deduction, or any other willful effort of the brain, is futile.”

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Nikola Tesla

Fonte: My Inventions (1919)
Contexto: He declared that it could not be done and did me the honor of delivering a lecture on the subject, at the conclusion he remarked, "Mr. Tesla may accomplish great things, but he certainly will never do this. It would be equivalent to converting a steadily pulling force, like that of gravity into a rotary effort. It is a perpetual motion scheme, an impossible idea." But instinct is something which transcends knowledge. We have, undoubtedly, certain finer fibers that enable us to perceive truths when logical deduction, or any other willful effort of the brain, is futile.

“Marconi is a good fellow. Let him continue. He is using seventeen of my patents.”

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Nikola Tesla

On being informed that Marconi was transmitting wireless messages across the Atlantic Ocean, as quoted in "Who Invented Radio?" at PBS.org http://www.pbs.org/tesla/ll/ll_whoradio.html, and in Tesla : The Modern Sorcerer (1999) by Daniel Blair Stewart, p. 371

“The progressive development of man is vitally dependent on invention.”

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Nikola Tesla

Fonte: My Inventions (1919)
Contexto: The progressive development of man is vitally dependent on invention. It is the most important product of his creative brain. Its ultimate purpose is the complete mastery of mind over the material world, the harnessing of the forces of nature to human needs. This is the difficult task of the inventor who is often misunderstood and unrewarded. But he finds ample compensation in the pleasing exercises of his powers and in the knowledge of being one of that exceptionally privileged class without whom the race would have long ago perished in the bitter struggle against pitiless elements. Speaking for myself, I have already had more than my full measure of this exquisite enjoyment; so much, that for many years my life was little short of continuous rapture.

“The idea of atomic energy is illusionary but it has taken so powerful a hold on the minds, that although I have preached against it for twenty-five years, there are still some who believe it to be realizable.”

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Nikola Tesla

Quoted in 'Tesla, 75, Predicts New Power Source', New York Times (5 Jul 1931), Section 2, 1.

“I have satisfied myself that the [cosmic] rays are not generated by the formation of new matter in space, a process which would be like water running up a hill. Nor do they come to any appreciable amount from the stars. According to my investigations the sun emits a radiation of such penetrative power that it is virtually impossible to absorb it in lead or other substances…. This ray, which I call the primary solar ray, gives rise to a secondary radiation by impact against the cosmic dust scattered through space. It is the secondary radiation which now is commonly called the cosmic ray, and comes, of course, equally from all directions in space. [The article continues: The phenomena of radioactivity are not the result of forces within the radioactive substances but are caused by this ray emitted by the sun. If radium could be screened effectively against this ray it would cease to be radioactive, he said. ]”

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Nikola Tesla

Quoted in 'Tesla, 75, Predicts New Power Source', New York Times (5 Jul 1931), Section 2, 1.

“Our senses enable us to perceive only a minute portion of the outside world. Our hearing extends to a small distance. Our sight is impeded by intervening bodies and shadows. To know each other we must reach beyond the sphere of our sense perceptions. We must transmit our intelligence, travel, transport the materials and transfer the energies necessary for our existence. Following this thought we now realize, forcibly enough to dispense with argument, that of all other conquests of man, without exception, that which is most desirable, which would be most helpful in the establishment of universal peaceful relations is — the complete ANNIHILATION OF DISTANCE.
To achieve this wonder, electricity is the one and only means. Inestimable good has already been done by the use of this all powerful agent, the nature of which is still a mystery. Our astonishment at what has been accomplished would be uncontrollable were it not held in check by the expectation of greater miracles to come. That one, the greatest of all, can be viewed in three aspects: Dissemination of intelligence, transportation, and transmission of power.”

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Nikola Tesla

A Means for Furthering Peace (1905)

“If Edison had a needle to find in a haystack, he would proceed at once with the diligence of the bee to examine straw after straw until he found the object of his search. … I was a sorry witness of such doings, knowing that a little theory and calculation would have saved him ninety per cent of his labor.”

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Nikola Tesla

New York Times (19 October 1931)

“The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up. His work is like that of the planter — for the future. His duty is to lay the foundation for those who are to come, and point the way. He lives and labors and hopes.”

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Nikola Tesla

"Radio Power Will Revolutionize the World" in Modern Mechanics and Inventions (July 1934)

“So we find that the three possible solutions of the great problem of increasing human energy are answered by the three words: food, peace, work. Many a year I have thought and pondered, lost myself in speculations and theories, considering man as a mass moved by a force, viewing his inexplicable movement in the light of a mechanical one, and applying the simple principles of mechanics to the analysis of the same until I arrived at these solutions, only to realize that they were taught to me in my early childhood. These three words sound the key-notes of the Christian religion. Their scientific meaning and purpose now clear to me: food to increase the mass, peace to diminish the retarding force, and work to increase the force accelerating human movement. These are the only three solutions which are possible of that great problem, and all of them have one object, one end, namely, to increase human energy. When we recognize this, we cannot help wondering how profoundly wise and scientific and how immensely practical the Christian religion is, and in what a marked contrast it stands in this respect to other religions. It is unmistakably the result of practical experiment and scientific observation which have extended through the ages, while other religions seem to be the outcome of merely abstract reasoning. Work, untiring effort, useful and accumulative, with periods of rest and recuperation aiming at higher efficiency, is its chief and ever-recurring command. Thus we are inspired both by Christianity and Science to do our utmost toward increasing the performance of mankind. This most important of human problems I shall now specifically consider.”

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Nikola Tesla

The Problem of Increasing Human Energy (1900)

“It would be calamitous, indeed, if at this time when the art is in its infancy and the vast majority, not excepting even experts, have no conception of its ultimate possibilities, a measure would be rushed through the legislature making it a government monopoly. …universal evidence unmistakably shows that the best results are always obtained in healthful commercial competition.”

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Nikola Tesla

My Inventions (1919)

“At present, many of the ablest minds are trying to devise expedients for preventing a repetition of the awful conflict which is only theoretically ended and the duration and main issues of which I have correctly predicted in an article printed in the Sun of December 20, 1914. The proposed League is not a remedy but, on the contrary, in the opinion of a number of competent men, may bring about results just the opposite. It is particularly regrettable that a punitive policy was adopted in framing the terms of peace, because a few years hence, it will be possible for nations to fight without armies, ships or guns, by weapons far more terrible, to the destructive action and range of which there is virtually no limit. Any city, at a distance, whatsoever, from the enemy, can be destroyed by him and no power on earth can stop him from doing so.”

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Nikola Tesla

My Inventions (1919)

“To conquer by sheer force is becoming harder and harder every day. Defensive is getting continuously the advantage of offensive, as we progress in the satanic science of destruction. The new art of controlling electrically the movements and operations of individualized automata at a distance without wires, will soon enable any country to render its coasts impregnable against all naval attacks.”

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Nikola Tesla

A Means for Furthering Peace (1905)

“In a crystal we have the clear evidence of the existence of a formative life-principle, and though we cannot understand the life of a crystal, it is none the less a living being.”

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Nikola Tesla

In 'The Problem of Increasing Human Energy: With Special Reference to the Harnessing of the Sun’s Energy', Century Illustrated Magazine (Jun 1900), 60, No. 2, 180.

“Mutual understanding would be immensely facilitated by the use of one universal tongue. But which shall it be, is the great question. At present it looks as if the English might be adopted as such, though it must be admitted that it is not the most suitable. Each language, of course, excels in some feature…. A practical answer to that momentous question must perforce be found in times to come, for it is manifest that by adopting one common language the onward march of man would be prodigiously quickened. I do not believe that an artificial concoction, like Volapuk, will ever find universal acceptance, however time-saving it might be. That would be contrary to human nature. Languages have grown into our hearts.”

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Nikola Tesla

A Means for Furthering Peace (1905)

“When a child is born its sense-organs are brought in contact with the outer world. The waves of sound, heat, and light beat upon its feeble body, its sensitive nerve-fibres quiver, the muscles contract and relax in obedience: a gasp, a breath, and in this act a marvelous little engine, of inconceivable delicacy and complexity of construction, unlike any on earth, is hitched to the wheel-work of the Universe.”

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Nikola Tesla

Man's Greatest Achievement (1908; 1930)

“Within a few years a simple and inexpensive device, readily carried about, will enable one to receive on land or sea the principal news, to hear a speech, a lecture, a song or play of a musical instrument, conveyed from any other region of the globe. The invention will also meet the crying need for cheap transmission to great distances, more especially over the oceans. The small working capacity of the cables and the excessive cost of messages are now fatal impediments in the dissemination of intelligence which can only be removed by transmission without wires.”

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Nikola Tesla

A Means for Furthering Peace (1905)

“As a son of this country [Croatia], I consider it my duty to help the City of Zagreb in every way, either through counsel or through action.”

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Nikola Tesla

City Counsel Zagreb, 24th May 1892; as quoted in [Milčec, Zvonimir, Nečastivi na kotačima: Civilizacijske novosti iz starog Zagreba, Bookovac, Zagreb, 1991, 25, 439099360, Croatian]