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 Many questions remain unanswered; many works are incomplete or unpublished.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.
More quotes and aphorisms
When you've finished getting yourself ready in the morning...I'm proud of my hard work. Working hard...I conduct business, not dependent of public sentiment...He who learns must suffer. And even in our sleep...What's great about this country is that...Laughter is the closest distance between two people...
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