Quotes by Nikola Tesla

The mind is sharper and keener in seclusion and uninterrupted solitude.

Be alone, that is the secret of invention; be alone, that is when ideas are born.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more.

Every effort under compulsion demands a sacrifice of energy. I never paid such a price.

Crystals are living beings at the beginning of creation.

The individual is ephemeral, races and nations come and pass away, but man remains.

The future will show whether my foresight is as accurate now as it has proved heretofore.

Is nature a giant cat? If so, who strokes its back?

Instinct is something which transcends knowledge.

My mother understood human nature better and never chided. She knew that a man cannot be saved from his own foolishness or vice by someone else's efforts or protests, but only by the use of his own will.

We may produce at will, from a sending station. an electrical effect in any particular region of the globe; we may determine the relative position or course of a moving object, such as a vessel at sea, the distance traversed by the same, or its speed.

We should begin at the very root from which we spring, we should effect a radical reform in the character of the food.

One must be sane to think clearly, but one can think deeply and be quite insane.

My ear barely caught signals coming in regular succession which could not have been produced on earth.

Alternate currents, especially of high frequencies, pass with astonishing freedom through even slightly rarefied gases. The upper strata of the air are rarefied. To reach a number of miles out into space requires the overcoming of difficulties of a merely mechanical nature.

There is no subject more captivating, more worthy of study, than nature. To understand this great mechanism, to discover the forces which are active, and the laws which govern them, is the highest aim of the intellect of man.

All peoples everywhere should have free energy sources.

The day when we shall know exactly what electricity is will chronicle an event probably greater, more important than any other recorded in the history of the human race. The time will come when the comfort, the very existence, perhaps, of man will depend upon that wonderful agent.

It has cost me years of thought to arrive at certain results, by many believed to be unattainable, for which there are now numerous claimants, and the number of these is rapidly increasing, like that of the colonels in the South after the war.

I am equally proud of my Serbian origin and my Croatian fatherland.

I predict that very shortly the old-fashioned incandescent lamp, having a filament heated to brightness by the passage of electric current through it, will entirely disappear.

Every living being is an engine geared to the wheel-work of the universe.

Ere many generations pass, our machinery will be driven by a power obtainable at any point of the universe.

It is a mere question of time when men will succeed in attaching their machinery to the very wheelwork of nature.

The gift of mental power comes from God, Divine Being, and if we concentrate our minds on that truth, we become in tune with this great power. My Mother had taught me to seek all truth in the Bible.

Money does not represent such a value as men have placed upon it. All my money has been invested into experiments with which I have made new discoveries enabling mankind to have a little easier life.

Great moments are born great opportunity.

When natural inclination develops into a passionate desire, one advances towards his goal in seven-league boots.

For ages this idea has been proclaimed in the consummately wise teachings of religion, probably not alone as a means of insuring peace and harmony among men, but as a deeply founded truth. The Buddhist expresses it in one way, the Christian in another, but both say the same: We are all one.

From childhood I was compelled to concentrate attention upon myself. This caused me much suffering, but to my present view, it was a blessing in disguise for it has taught me to appreciate the inestimable value of introspection in the preservation of life, as well as a means of achievement.

But I hope that it will also be demonstrated soon that in my experiments in the West I was not merely beholding a vision, but had caught sight of a great and profound truth.

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.

No rocket will reach the moon save by a miraculous discovery of an explosive far more energetic than any known. And even if the requisite fuel were produced, it would still have to be shown that the rocket machine would operate at 459 degrees below zero-the temperature of interplanetary space.

We build but to tear down. Most of our work and resource is squandered. Our onward march is marked by devastation. Everywhere there is an appalling loss of time, effort and life. A cheerless view, but true.

When I get an idea I start at once building it up in my imagination. I change the construction, make improvements and operate the device in my mind. It is absolutely immaterial to me whether I run my turbine in my thought or test it in my shop. I even note if it is out of balance.

The progressive development of man has as its ultimate purpose the complete mastery of mind over the material world.

We crave for new sensations but soon become indifferent to them. The wonders of yesterday are today common occurrences.

I have already demonstrated, by crucial tests, the practicability of signaling by my system from one to any other point of the globe, no matter how remote, and I shall soon convert the disbelievers.

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.

I would not give my rotating field discovery for a thousand inventions, however valuable... A thousand years hence, the telephone and the motion picture camera may be obsolete, but the principle of the rotating magnetic field will remain a vital, living thing for all time to come.

In a time not distant, it will be possible to flash any image formed in thought on a screen and render it visible at any place desired. The perfection of this means of reading thought will create a revolution for the better in all our social relations.

As in nature, all is ebb and tide, all is wave motion, so it seems that in all branches of industry, alternating currents -- electric wave motion -- will have the sway.

Misunderstandings are always caused by the inability of appreciating one another's point of view... The best way is to dispel ignorance of the doings of others by a systematic spread of general knowledge. With this object in view, it is most important to aid exchange of thought and intercourse.

The newspapers of the twenty-first century will give a mere 'stick' in the back pages to accounts of crime or political controversies, but will headline on the front pages the proclamation of a new scientific hypothesis.

Science is but a perversion of itself
unless it has as its ultimate goal
the betterment of humanity.

Electrical science has revealed to us the true nature of light, has provided us with innumerable appliances and instruments of precision, and has thereby vastly added to the exactness of our knowledge.

When wireless is perfectly applied the whole earth will be converted into a huge brain, which in fact it is, all things being particles of a real and rhythmic whole. We shall be able to communicate with one another instantly, irrespective of distance.

It seems that I have always been ahead of my time. I had to wait nineteen years before Niagara was harnessed by my system, fifteen years before the basic inventions for wireless which I gave to the world in 1893 were applied universally.

Woman will ignore precedent and startle civilization with their progress.

My Mother had taught me to seek all truth in the Bible.

My belief is firm in a law of compensation. The true rewards are ever in proportion to the labour and sacrifices made.

In a crystal we have clear evidence of the existence of a formative life principle, and though we cannot understand the life of a crystal, it is nonetheless a living being.

Each day we go to our work in the hope of discovering.

The desire that guides me in all I do is the desire to harness the forces of nature to the service of mankind.

I have always been ahead of my time.

The idea came like a flash of lightning and in an instant the truth was revealed.

It's not the love you make. It's the love you give.

Inventors don't have time for married life.

If you only knew the magnificence of the 3, 6 and 9, then you would have the key to the universe.

I am even grateful to Einstein and others because through their erroneous theories they lead mankind away from that dangerous path I followed.

We all make mistakes, and it is better to make them before we begin.

What one man calls God, another calls the laws of physics.

Anti-social behavior is a trait of intelligence in a world full of conformists.

Of all things, I liked books best.

Man, like the universe, is a machine. Nothing enters our minds or determines our actions which is not directly or indirectly a response to stimuli beating upon our sense organs from without.

The opinion of the world does not affect me. I have placed as the real values in my life what follows when I am dead.

No free energy device will ever be allowed to reach the market.

There is no energy in matter other than that received from the environment.

By an irony of fate, my first employment was as a draughtsman. I hated drawing; it was for me the very worst of annoyances. Fortunately, it was not long before I secured the position I sought, that of chief electrician to the telephone company.

The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.

The harness of waterfalls is the most economical method known for drawing energy from the sun.

Perhaps I failed, but I did my best, These masters of mine may do the rest.

My brain is only a receiver, in the Universe.

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.

Our entire biological system, the brain, and the Earth itself, work on the same frequencies.

The progressive development of man is vitally dependent on invention.

It is not in the shallow physical imitation of men that women will assert first their equality and later their superiority, but in the awakening of the intellect of women.

I am filled with conviction that the interests of humanity would be best served if the United States remained true to its traditions and kept out of entangling alliances.

Our senses enable us to perceive only a minute portion of the outside world.

Though free to think and act, we are held together, like the stars in the firmament, with ties inseparable. These ties cannot be seen, but we can feel them.

This work somehow awakened my dormant powers of will and I began to practice self-control. At first my resolutions faded like snow in April, but in a little while I conquered my weakness and felt a pleasure I never knew before -- that of doing as I willed.

I constructed a laboratory in the neighborhood of Pike's Peak. The conditions in the pure air of the Colorado Mountains proved extremely favorable for my experiments, and the results were most gratifying to me.

Soon became convinced I was right and undertook the task with all the fire and boundless confidence of youth.

To know each other we must reach beyond the sphere of our sense perceptions.

If your hate could be turned into electricity, it would light up the whole world.

I don't care that they stole my idea. I care that they don't have any of their own.

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.

The earth is bountiful, and where her bounty fails, nitrogen drawn from the air will refertilize her womb. I developed a process for this purpose in 1900. It was perfected fourteen years later under the stress of war by German chemists.

I myself eschew all stimulants. I also practically abstain from meat.

If we want to reduce poverty and misery, if we want to give to every deserving individual what is needed for a safe existence of an intelligent being, we want to provide more machinery, more power. Power is our mainstay, the primary source of our many-sided energies.

Modern science says: 'The sun is the past, the earth is the present, the moon is the future.' From an incandescent mass we have originated, and into a frozen mass we shall turn. Merciless is the law of nature, and rapidly and irresistibly we are drawn to our doom.

Of the various branches of electrical investigation, perhaps the most interesting and immediately the most promising is that dealing with alternating currents.

The feeling is constantly growing on me that I had been the first to hear the greeting of one planet to another.

In the twenty-first century, the robot will take the place which slave labor occupied in ancient civilization.

The spread of civilisation may be likened to a fire; first, a feeble spark, next a flickering flame, then a mighty blaze, ever increasing in speed and power.

I do not think you can name many great inventions that have been made by married men.

The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.