Konstantin Tsiolkovsky Famous Quotes
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Mankind will not forever remain on Earth but, in the pursuit of light and space, will first timidly emerge from the bounds of the atmosphere and then advance until he has conquered the whole of circumsolar space.
Earth is the cradle of humanity, but one cannot remain in the cradle forever.
My main purpose in life is to do something useful for my fellow men, not to live my life in vain, to propel mankind forward, if only by a fraction. That is why I became interested in that which gave me neither bread nor power, but I am in hopes that my work, perhaps soon, perhaps only in the distant future, will yield society heaps of grain and vast power.
The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.
My entire life consisted of musings, calculations, practical works, and trials. Many questions remain unanswered; many works are incomplete or unpublished. The most important things still lie ahead.
All our knowledge - past, present, and future - is nothing compared to what we will never know.
All the universe is full of the lives of perfect creatures.
Man will not always stay on Earth; the pursuit of light and space will lead him to penetrate the bounds of the atmosphere, timidly at first, but in the end to conquer the whole of solar space.
The world is desperately imperfect. Even if a quarter of the working people were engrossed in new thoughts and inventions and lived off the others, humanity would still gain tremendously thanks to the constant stream of inventions and intellectual work emerging from this horde of people striving upward.
Consider a cask filled with a highly compressed gas. If we open one of its taps the gas will escape through it in a continuous flow, the elasticity of the gas pushing its particles into space will continuously push the cask itself. The result will a continuous change in the motion of the cask. Given a sufficient number of taps (say, six), we would be able to regulate the outflow of the gas as we liked and the cask (or sphere) would describe any curved line in accordance with any law of velocities.
A planet is the cradle of mind, but one cannot live in a cradle forever.
