Fez as glandes a fome saborosas; 150 Água em néctar tornou da sede a ardência. - Dante Alighieri

Dolce color d’oriental zaffiro,
che s’accoglieva nel sereno aspetto
del mezzo, puro infino al primo giro,

a li occhi miei ricominciò diletto,
tosto ch’io usci’ fuor de l’aura morta
che m’avea contristati li occhi e ‘l petto.

But Virgil had departed, leaving us bereft:
Virgil, sweetest of fathers,
Virgil, to whom I gave myself for my salvation.

They had their faces twisted toward their haunches and found it necessary to walk backward, because they could not see ahead of them. ...And since he wanted so to see ahead, he looks behind and walks a backward path.