- They were no longer properly Roman after they stopped speaking Latin, which they did almost immediately because majority of territories remaining under their control after initial Arab conquest were Greek-speaking.
- Written cultural heritage of Byzantine, unlike Roman, is negligible, mainly because they intentionally tried to be as un-original as possible, which is a paradox: they valued not writers or poets who could write new stuff that sounded fresh, but those who could imitate particular ancient authors's style as precisely as possible.