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Every mental state corresponds to a specific brain state.
美貌、青春、财富、甚至爱情本身,都不能让深得上帝恩宠的人免于焦虑和痛苦,远离哀愁,也无法让他们避免失去自己最爱的东西。因为,一生中,有些雨必然得下,一些日子必然会黑暗、哀伤、凄凉。
Don‘t cry because it is over, smile because it happened。
The goal of economics is to understand how to allocate scarce resources in the most efficient way possible.