Pope Francis' new exhortation warns against modern problems caused by ancient heresies

This is not the first time that Francis has drawn attention to the persistence of Gnosticism and Pelagianism.

Pope Francis, Gossip, and the Long History of the “Sins of the Tongue” —

But Pope Francis Has Spread Confusion and Division

Francis I: The Final Pope?

On the call to holiness in today's world - Arlington Catholic Herald

A Look at Gaudete et Exsultate from Pope Francis

Why Pope Francis's Eco-Friendly Apostolic Exhortation Rings Unconvincingly for the Faithful

Antonio Socci: Benedict XVI Warns of a New Totalitarianism

Pope Francis: Catholics should care as much about the poor as about abortion - Vox

Pope Francis issues dire warning for humanity, sees 'greater omens, destruction' in the world