Tesla quotes in his handwriting font

Nikola Tesla Quotes

Profound words from, or about, the world's greatest inventor
Displaying 1 - 10 of 118

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.

July, 1934

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.

September 24th, 1890

I have studied cosmic rays to learn that the theory of relativity has been what I long considered it — "a beggar dressed in purple which the ignorant mistake for a king."

July 11th, 1935

Man was born to work, to suffer and to fight, because whoever does not do so must perish.


The mind is sharper and keener in seclusion and uninterrupted solitude. No big laboratory is needed in which to think. Originality thrives in seclusion free of outside influences beating upon us to cripple the creative mind. Be alone, that is the secret of invention; be alone, that is when ideas are born.

April 8th, 1934

There were many days when [I] did not know where my next meal was coming from. But I was never afraid to work, I went where some men were digging a ditch ... [and] said I wanted to work. The boss looked at my good clothes and white hands and laughed to the others ... but he said, "All right. Spit on your hands. Get in the ditch." And I worked harder than anybody. At the end of the day I had $2.

July 12th, 1937

Up to the age of eight years, my character was weak and vacillating. I had neither courage or strength to form a firm resolve. My feelings came in waves and surges and vibrated unceasingly between extremes. My wishes were of consuming force and like the heads of the hydra, they multiplied. I was oppressed by thoughts of pain in life and death and religious fear. I was swayed by superstitious belief and lived in constant dread of the spirit of evil, of ghosts, and ogres and other unholy monsters of the dark. Then, all at once, there came a tremendous change which altered the course of my whole existence.

February, 1919

It is quite evident, though, that this squandering cannot go on indefinitely, for geological investigations prove our fuel stores to be limited. So great has been the drain on them of late years that the specter of exhaustion is looming up threateningly in the distance...

December, 1931

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.

February 9th, 1901

All that was great in the past was ridiculed, condemned, combated, suppressed - only to emerge all the more powerfully, all the more triumphantly from the struggle. Let the future tell the truth and evaluate each one according to his work and accomplishments. The present is theirs, the future, for which I really worked, is mine.

January 7th, 1905