The line, "I know the voices dying with a dying fall," refers to a quote from Twelfth Night, and later references include the title character comparing himself to Lazarus and an "attendant lord."  
As translated to English, the epigraph begins: "If I thought that I was replying to someone who would ever return to the world, this flame would cease to flicker."  That quote is spoken by Guido da Montefeltro, as heard by Dante and Virgil in the Inferno.  The line, "I know the voices dying with a dying fall," refers to a quote from Twelfth Night, and later references include the title character comparing himself to Lazarus and an "attendant lord."  He asks "Shall I part my hair behind? Do I dare to eat a peach?" all "In the room [where] the women come and go / Talking of Michelangelo."  FTP, name this poem, centering on an indecisive title character, by T.S. Eliot.
As translated to English, the epigraph begins: "If I thought that I was replying to someone who would ever return to the world, this flame would cease to flicker."  
"The Love Song of J. Alfred Prufrock"