As it moves into battle must loudly shout the victory cry of the cross, customary among Christians (i.e. Σταυρός νικά, 'the cross is victorious').
Original text (Ancient Greek)
Original text (Ancient Greek)
Quote text and notes from Wikiquote: Leo VI the Wise (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.