two men are at the end of the world and "THE ALL EVERYTHING" says a wish will be granted, but after that everything will cease to exist. "THE ALL EVERYTHING" points to "THE FOUNTAIN OF EVERYTHING" and says "drink from this water and everything will be revealed, but drink fast the universe is about to vanish into non-existence.
the "glass is half full" man settled into his content, knelt down and began to fill his glass.
the "glass is half empty" man, already done filling his glass was halfway done drinking, giving him enough time to learn the secrets of "everything" by which means he saved the "glass is half full man" and everything else
... moral of the story is, here at mint we already drank the kool aid and are way beyond saving the world