Quote by Tsiolkovsky Posted on June 8, 2013August 2, 2024 By Space51Staff No Comments on Quote by Tsiolkovsky News, People, Quotes “Планета есть колыбель разума, но нельзя вечно жить в колыбели.” ~ “Earth is the cradle of humanity, but one cannot live in a cradle forever.” – Konstantin Eduardovich Tsiolkovsky (1857 – 1935)