Hai cercato la traduzione di firmus et invictus da Latino a Inglese

durus et invictus
you and the indomitable mind

si enim qui per angelos dictus est sermo factus est firmus et omnis praevaricatio et inoboedientia accepit iustam mercedis retributione
for if the word spoken by angels was stedfast, and every transgression and disobedience received a just recompence of reward;