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"The marks humans leave are too often scars."

屋頂上的天空，如此蔚藍(lán)，如此寧?kù)o！

My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.

如果你沒(méi)有合適的人來(lái)分享，成功就毫無(wú)意義。