si vis pacem, para bellum

if you want peace, prepare for war

Notes

From Publius Flavius Vegetius Renatus, De Re Militari. Origin of the name parabellum for some ammunition and firearms, such as the Luger Parabellum. (Similar to igitur qui desiderat pacem, praeparet bellum)

Words

par – equal, like
pars – direction, part, region, share, side
belle – charmingly, handsomely, prettily
paro – buy, furnish, get ready, put, set, supply, to prepare
bello – to wage war