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When one is in love, one always begins by deceiving one's self, and one always ends by deceiving others. That is what would calls a romance.
The study of quantum gravity is essential for understanding the early universe.
世界如此美好又遗憾,你我皆是自远方而来的独行者,不断行走,不顾一切,哭着,笑着,留恋人间,只为不虚此行。