"Para bellum" redirects here. For other uses, see Parabellum. Relief at the entrance of the Cultural Center of the Armies in Madrid, showing the Latin phrase "Si vis pacem, para bellum." Si vis pacem, para bellum (Classical Latin: [siː wiːs ˈpaːkɛ̃ ˈparaː ˈbɛllʊ̃]) is a Latin adage translated as "If you want peace, prepare for war." The phrase is adapted from a statement found in Roman author Publ