It's a quote from the Bible, in the New Testament. Corresponds to the epistle of the Apostle San Pablo to them Ephesians Chapter 6, verse 11, that says so: dress you of all the armor of Dios, so can be firm against the Wiles of the devil.The Ephesians were them inhabitants of Ephesus, a city old of Ionia to shores of the sea Aegean, which was evangelized by San Pablo. The tradition says that the Virgin Mary died there.
It is a biblical quotation: epistle of Saint Paul to the Ephesians, Chapter 6, verse 11. Paul was a Jew converted to Christianity in its early days Pharisee who preached this doctrine for the Roman Empire, establishing communities in the various locations where passed, because it had a very persuasive and passionate character and with the gift of the word. I wrote these communities of Christians after giving them encouragement and urging them to remain United in the faith. These letters or Epistles are collected in the New Testament with the recipient's name; so we have letters to the Ephesians ( 41 ephesian; to the Romans, Corinthians, Galatians, the Thessalonians...
