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如果你因失去了太阳而流泪,那么你也将失去群星了。
"Die Wahrheit ist oft unsichtbar, weil sie zu offensichtlich ist."
Houston, Tranquility Base here. The Eagle has landed.
The study of mathematics is like air or gravity – it’s everywhere, even if you don’t see it.
Every decision we make today impacts the next generation.