This poem is from the Hortulus Carminum Selectorum by Josephus Perez (1627-1694).
Lucerna Inimica
Apta parum studiis nox est; inimica lucerna
Noctis opus multis exitiale fuit.
The vocabulary is keyed to the DCC Latin Vocabulary list. There are two words in this poem that are not on the DCC list:
exitiālis, -e (exitiālis): destructive, deadly
lucerna (lucernae, f.): oil lamp, light
aptus -a -um: fit, suitable
inimīcus -a -um: unfriendly
multus -a -um: much, many; multō, by far
nox noctis f.: night
opus operis n.: work
parum: too little
studium -ī n.: eagerness, zeal
sum, esse, fuī: be, exist