Konstantin Tsiolkovsky
My entire life consisted of musings, calculations, practical works, and trials. Many questions remain unanswered; many works are incomplete or unpublished. The most important things still lie ahead.
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Nothing stops the man who desires to achieve...The superior man, extensively studying all learning...Digital technology has several features that can make...We can invent only with memory...The kingdom of heaven is like electricity...You should never view your challenges...
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