When Lydon, Chloe and Nydia take refuge in Philos's house after the raid against Christians, there is a Latin alphabet painted on the wall behind them. This alphabet includes the letters J and W, which are totally unknown at the time and don't appear before the Middle Ages. See more
There were moments when I hated you only because he loved you. I... Ione, forgive me! Forgive me!
No, I'm the one who needs forgiveness. I poured out all my joys and sorows to you, and never even wondered if you had any of your own.