"That every man after the life in the world lives to eternity, is evident from this, that man is then spiritual, and no longer natural, and that the spiritual man, separated from the natural, remains such as he is to eternity, for man's state cannot be changed after death."

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Men passionately desire to live after death, but they often pass away without noticing the fact that the memory of a really good person always lives. It is impressed upon the next generation, and is transmitted again to the children. Is that not an immortality worth striving for?

— Peter Kropotkin