30 Quotes by Konstantin Tsiolkovsky

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.

First, inevitably, the idea, the fantasy, the fairy tale. Then, scientific calculation. Ultimately, fulfillment crowns the dream.

The Earth is the cradle of Humanity. But one doesn't always live in the cradle.

All our knowledge - past, present, and future - is nothing compared to what we will never know.

The Earth is the Cradle of the Mind -- but one cannot eternally live in a cradle.

The Earth is the cradle of Humanity. But one doesn’t always live in the cradle.

All our knowledge – past, present, and future – is nothing compared to what we will never know.

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

The blue distance, the mysterious Heavens, the example of birds and insects flying everywhere – are always beckoning Humanity to rise into the air.