This distich comes from the Florilegium Gottingense edited by Voigt.
Numquam bella bonis, numquam discrimina desunt,
Et cum quo certet, mens pia semper habet.
The vocabulary is keyed to the DCC Latin Vocabulary list. There is only one word in this poem that is not on the DCC list:
discrīmen, discrīminis n. - division, difference, crisis, danger
bellum -ī n.: war
bonus -a -um: good
certo -āre: decide by contest; fight, compete, vie
cum: with (prep. + abl.); when, since, although (conjunction + subj.)
dēsum -esse -fuī: be lacking
et: and
habeo -ēre -uī habitum: have, hold
mēns mentis f.: mind
numquam: never
pius -a -um: dutiful, devoted, just, pious
qui, quae, quod: who, which, what; quis quid: who? what? which?
semper: always, ever