Konstantin Tsiolkovsky
Mankind will not forever remain on Earth but, in the pursuit of light and space, will first timidly emerge from the bounds of the atmosphere and then advance until he has conquered the whole of circumsolar space.
More quotes and aphorisms
Education is not preparation for life...If we lose the war in the air we lose the war...Sheep, like people, are ungovernable when hungry...One thing I didn't think upon getting married...Let us never know what old age is...The right of a nation to kill a tyrant...