“When the great truth accidentally revealed and experimentally confirmed is fully recognized, that this planet, with all its appalling immensity, is to electric currents virtually no more than a small metal ball and that by this fact many possibilities, each baffling imagination and of incalculable consequence, are rendered absolutely sure of accomplishment; when the first plant is inaugurated and it is shown that a telegraphic message, almost as secret and non-interferable as a thought, can be transmitted to any terrestrial distance, the sound of the human voice, with all its intonations and inflections, faithfully and instantly reproduced at any other point of the globe, the energy of a waterfall made available for supplying light, heat or motive power, anywhere — on sea, or land, or high in the air — humanity will be like an ant heap stirred up with a stick: See the excitement coming!”

— Nikola Tesla

"The Transmission of Electric Energy Without Wires" in Electrical World and Engineer (5 March 1904)

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Nikola Tesla 125

Serbian American inventor 1856–1943

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“In the beginning when the world was young there were a great many thoughts but no such thing as truth. Man made the truths himself and each truth was a composite of a great many vague thoughts. All about in the world were truths and they were all beautiful.”

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“The great secret of power is never to will to do more than you can accomplish.”

Henrik Ibsen (1828–1906) Norwegian playwright, theatre director, and poet

As quoted in The Ibsen Calendar : A Quotation from the Works of Henrik Ibsen for Every Day (1913) by C. A. Arfwedson
Context: The great secret of power is never to will to do more than you can accomplish. The great secret of action and victory is to be capable of living your life without ideals. Such is the sum of the whole world's wisdom.