“ From the moment of using rocket devices, a great new era will begin in astronomy: the epoch of the more intensive study of the firmament. Konstantin Tsiolkovsky
“ Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar System. Konstantin Tsiolkovsky
“ The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever. Konstantin Tsiolkovsky
“ I do not remember how it got into my head to make the first calculations related to rocket. It seems to me the first seeds were planted by famous fantaseour, J. Verne. Konstantin Tsiolkovsky
“ 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… Konstantin Tsiolkovsky
“ 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 circum… Konstantin Tsiolkovsky
