5 surviving letters between Libanius and Paulinus; then Themistius, spanning 330-382 AD.
The sons of Lollianus are setting sail -- a trading voyage to Sinope [a port on the Black Sea coast of Asia Minor].
Your letter was a feast, as your letters always are.
Our disagreement on the point you raised is, I think, less serious than it appears.
Your point about the kinship of our professions is well taken.
[To Paulinus]