Quotes by 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 constant stream of inventions and intellectual work emerging from this horde of people striving upward.

Earth is the cradle of humanity, but one cannot live in a cradle forever.

The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.

Man must at all costs overcome the Earths gravity and have, in reserve, the space at least of the Solar System.

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.

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.

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.

All the universe is full of the lives of perfect creatures.