. . . encountered this story twice today . . in two completely different contexts . . . a story i am much aquainted with . . . since it comes here it goes . . .
The Dream of Chuang Tzu
Chuang Tzu dreamt he was a butterfly and, when he awoke, he did not know if he was a man who had dreamt he was a butterfly or a butterfly who was dreaming he was a man.
(From Chang Tzu 1889 by Herbert Allen Giles )
[Found in Extraordinary Tales by Jorge Luis Borges & Adolfo Bioy Casares edited and translated by Anthony Kerrigan]