"The mammalian brain evolved exquisite place memory because that was essential for survival. This is why squirrels have such a good memory for where they buried their nuts."

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Many times man lives and dies between his two eternities: that of race and that of Soul... A brief parting from those dear is the worst man has to fear... Though grave diggers' toil is long... They but thrust their buried men back in the human mind again.

— William Butler Yeats