Konstantin Tsiolkovsky
Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar System.
More quotes and aphorisms
A puppy plays with every pup he meets...You don't choose your family...There are two things a person should never be angry at...In the long run, we shape our lives...A positive attitude causes a chain reaction...Part of recovery is relapse. I dust myself off...