Quotes by Nikola Tesla

I do not think there is any thrill that can go through the human heart like that felt by the inventor as he sees some creation of the brain unfolding to success... Such emotions make a man forget food, sleep, friends, love, everything.

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

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.

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.

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 have really worked, is mine.