Konstantin Tsiolkovsky
The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.
More quotes and aphorisms
The hardest thing to understand in the world...A strong working relationship requires every participant...The problem is not that there are problems...Leaders must be close enough to relate to others...By plucking her petals, you do not gather the beauty...For me, every hour is grace. And I feel gratitude...
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