Authors:

When swimming into a dark tunnel,there arrives a point of no return when you no longer have enough breath to double back.your choice is to swim forward into the unknown....and pray for an exit

Dan Brown (2014). “Inferno: Special Illustrated Edition (Enhanced): Featuring Robert Langdon”, p.207, Knopf
When swimming into a dark tunnel,there arrives a point of no return when you no longer have enough breath to double back.your choice is to swim forward into the unknown....and pray for an exit