Patrick Johnson-Whitty made a "What would a fart look like if visible" post in 2002 <--- fact.

[flupiajo]

"Let us suppose, gentlemen, that man is not stupid. (And really, you cannot say he is stupid, if only for the reason that if he is stupid, then who is intelligent?) But even if he isn't stupid, he is nevertheless monstrously ungrateful! Phenomenally ungrateful! I even think that the best definition of man is: a biped, ungrateful." (32)

Notes from Underground, by Fyodor Dostoevsky