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 Publius Flavius Vegetius Renatus's tract De Re Militari (fourth or fifth century AD), in which the actual phrasing is Igitur qui desiderat...