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季路问事鬼神,子曰:“未能事人,焉能事鬼?“敢问死?”曰:“未知生,焉知死?”
【译文】 季路问怎样侍奉鬼神,孔子说:“人都不能侍奉好,还谈什么侍奉鬼神?“请问死是怎么回事?“生都不了解,还谈什么了解死?”
The greatest gift you can give someone is your time, because you are giving them a portion of your life that you will never get back.
The best way to learn mathematics is to do mathematics.