Christians are attacked by the imperial authorities, by the public opinion through slander, and by pagan intellectuals. How did they react? Not with violence, but by conquering minds and hearts. This was achieved mainly by the shining figures of the Apostolic Fathers, building stones of the Christian tradition. Special focus on the danger of Gnosticism, and the Apocryphal writings. Who were the Apologist Fathers? How was their dialogue with the pagan culture?