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With freedom, books, flowers and the moon who could not be happy?
Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.
在人类(和动物)的漫长历史中,那些学会最有效合作和即兴发挥的人才能胜出。
百姓如果没有粮食,就不能供君王役使。所以,粮食不可不努力耕种,用度不可不厉行节俭。 
In the quest for a unified theory, we must embrace the unknown and be willing to question our most cherished beliefs.