This little poem comes from Disticha de Educatione of Urbano Appendini, published in 1834; you can see the whole book at Google Books.
Non est qui dicat: vitium est laudabile; non est
Qui dicat: virtus nullius est pretii.
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:
laudābilis, laudābile; laudābilis - praiseworthy
dīco dīcere dīxī dictum: say; causam dicere, plead a case; diem dicere, appoint a day
nōn: not
nūllus -a -um: not any, no one
pretium -ī n.: price, worth, reward; pretium operae, a reward for trouble
qui, quae, quod: who, which, what; quis quid: who? what? which?
sum, esse, fuī: be, exist
virtūs -ūtis f.: valor, manliness, virtue
vitium -ī n.: flaw, fault, crime