" Are we ever destined to travel to other planets? Or are we forever doomed to remain prisoners of Earth? The idea of interstellar travel, flying from one planet to another, is, of course, for the time being, no more than a tempting dream. We have been talking and dreaming about Leonardo da Vinci aircraft for many centuries before it became a reality. Why not admit that, over time, the dream of space travel will one day become a reality. Spaceships will rush into the universe and will move the former captives of the Earth to the Moon, the planets and even perhaps planets in other star systems... And who knows, among the current timid attempts to mentally solve this daunting problem some will be translated into reality? ..."
Yakov Isidorovich Perelman (Russian: Яков Исидорович Перельман; December 4, 1882 – March 16, 1942) was a Russian and Soviet science writer and author of many popular science books, including Physics Can Be Fun and Mathematics Can Be Fun (both translated from Russian into English).