"Maybe my incoherence is for a lack of speaking. I was unable to talk with the guerillas who guarded me."

Said Oscar Tulio Lizcano, upon escape after 8 years of captivity in the jungle.

He did at least have something to read: Homer's "Odyssey." 8 years with no one to talk to. The difference between having "The Odyssey" and not having "The Odyssey" is profound.