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
My optimism holds that the good guys eventually...The usual complaint is, I have no other way...We are apt to forget that children watch examples...It's an art to live with pain...Leisure is the Mother of Philosophy...Forget not that the earth delights to feel your bare feet...
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