Most Likely You Go Your Way (And I'll Go Mine) Lyrics

Lyric discussion by cavern 

Cover art for Most Likely You Go Your Way (And I'll Go Mine) lyrics by Bob Dylan

I'm just writing here because no one else has. Impossible, considering that this is the best farewell-and-good-luck song ever, even better than "Don't think twice". I know that the middle part is refered to a play about Rimbaud's life, so I would appreciate some background on that.