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
An imbalance between rich and poor is the oldest...People who think they know everything...Disciplining yourself to do what you know is right...With so much evidence of depleting natural resources...If I'm going to be a caged bird, I'll sing...I have learned that as long as I hold...
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