This little poem comes from the Florilegium Gottingense edited by Voigt.
Omnes vincit opes securam ducere vitam;
Pauperius nihil est quam miser usus opum.
The vocabulary is keyed to the DCC Latin Vocabulary list. All the words in this poem are on that list:
dūco dūcere dūxī ductum: lead; uxōrem ducere, marry
miser misera miserum: wretched, pitiable
nihil, nīl: nothing; not at all
omnis -e: all, every, as a whole
ops opis f.: assistance, resources
pauper -eris: poor, lowly
quam: how?; (after comparative) than
sēcūrus -ā -um: free from care, tranquil; careless
sum, esse, fuī: be, exist
ūsus -ūs m.: use, experience
vinco vincere vīcī victum: conquer
vīta -ae f.: life