Vatican Plenary Document, Benedict XVI, April 2005, here.
An impressive number of profound quotes are referenced within this document. One is from the great Russian writer, Alexander Solzhenitsyn. It is from his Nobel Prize address of 1970. Find his entire address here.
The martyrdoms of the saints have taught us and do teach us how to conquer the world, with all of its fallacies, fervors, and fears." - St Augustine.