Deum Dilige et Vicinum
Dilige corde deum toto super omnia; post quem,
Dilige vicinum, sicut te diligis ipsum.
Source: Adagiorum Maxime Vulgarium Thesaurus (1730). Meter: Dactylic Hexameter. You can read more about the Golden Rule in this Wikipedia article.
Love god [dilige deum] with your whole heart [corde toto] above all things [super omnia]; after God [post quem], love your neighbor [dilige vicinum], sicut [just as] you love yourself [diligis te ipsum].
The vocabulary is keyed to the DCC Latin Vocabulary list. All the words in this poem are on that list:
cor cordis n.: heart; cordī est, it is pleasing to (+ dat.)
deus -ī m.; dea -ae f. god; goddess
dīligō -ligere -lēxī -lēctum: choose, cherish, love
ipse ipsa ipsum: him- her- itself
omnis -e: all, every, as a whole
post: after (adv. and prep. +acc.)
qui quae quod: who, which, what / quis quid: who? what? which?
sīcut: just as
super: over (adv. and prep. +acc.)
tōtus -a -um: whole, entire
tū tuī tibi tē: you (sing.)
vīcīnus -a -um: neighboring, near
