Here are some ancient Greek names starting with the prefix "Epim-", from the ancient Greek verb "Epimeno", meaning "persevere", "persist", "stick to", "keep on":
Epimenes, Epimenidas (m).
Also some ancient Greek names starting with the prefix "Emmen-", from the ancient Greek verb "Emmeno", meaning "persist in", "be firm in",:
Emmenes, Emmenidas, Emmenides, Emmonos (m).
"If you live by nature, you will never be poor; if you live by what men think, you will never be rich. Nature demands little, opinion a great deal."
(EPICUROS, 341-270 BC)