This little poem comes from Disticha de Educatione of Urbano Appendini, published in 1834; you can see the whole book at Google Books.
Vir Doctus
Ignaris tantum vir doctus praestat honore,
Quantum atris praestat candida lux tenebris.
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:
āter, ātra, ātrum: dark, black, gloomy
ignārus, -a, -um: ignorant, senseless, stupid
candidus -a -um: white, fair
doceō -ēre -uī doctum: teach
honor -ōris m.: honor, glory; office, post
lūx lūcis f.: light of day
praestō -stāre -stitī -stitum: excel, exhibit
quantus -a -um: (interr.) how great? (rel.) of what size, amount, etc.
tantus -a -um: so great, so much; tantum: only
tenebrae -brārum f. pl.: darkness, the shadows
vir virī m.: man
