"Man must at all costs overcome the Earth's……" — Konstantin Tsiolkovsky
"Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar System. All kinds of danger wait for him on the Earth. . . . We have said a great deal about the advantages of migration into space, but not all can be said or even imagined."
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Konstantin Tsiolkovsky
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14 Quotes by Konstantin Tsiolkovsky
Konstantin Tsiolkovsky has 14 quotes on this site.
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From the rocket we can see the huge sphere of the planet in one or another phase of the Moon.…
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Men are weak now, and yet they transform the Earth's surface. In millions of years their might will increase to…
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For me, a rocket is only a means--only a method of reaching the depths of space--and not an end in…
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Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar…
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Man will not always stay on Earth; the pursuit of light and space will lead him to penetrate the bounds…
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To set foot on the soil of the asteroids, to lift by hand a rock from the Moon, to observe…
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First, inevitably, the idea, the fantasy, the fairy tale. Then, scientific calculation. Ultimately, fulfillment crowns the dream.
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A planet is the cradle of mind, but one cannot live in a cradle forever.
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Consider a cask filled with a highly compressed gas. If we open one of its taps the gas will escape…
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All our knowledge - past, present, and future - is nothing compared to what we will never know.
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The Earth is the cradle of Humanity. But one doesn't always live in the cradle.
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The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.
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