Konstantin Tsiolkovsky
The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.
More quotes and aphorisms
Kids don't see me as an oldies person when I go out...Be thou incapable of change in that which is right...It is not always the same thing...No one ever died from sleeping in an unmade bed...History proves that all dictatorships, all authoritarian...I'm not an activist; I don't look for controversy...