This little poem comes from Disticha de Educatione of Urbano Appendini, published in 1834; you can see the whole book at Google Books.
Quid Dicant Alii
De te quid dicant alii, ne scire labores;
Quod mox displiceat, quaerere stultitia est.
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:
displiceō, displicēre: displease, dissatisfy
stultitia (stultitiae, f.): foolishness, folly, stupidity
alius -a -um: other, another; alias: at another time
dē: down from, about, concerning (+ abl.)
dīcō dīcere dīxī dictum: say; causam dicere, plead a case; diem dicere, appoint a day
fāma -ae f.: rumor, fame
labōrō -āre: toil, work; be in trouble
mox: soon
nē: lest, that not
quaerō -rere -sīvī-situm: seek, inquire
qui quae quod: who, which, what / quis quid: who? what? which?
sciō -īre -īvī/-iī -ītum: know
sum, esse, fuī: be, exist
tū tuī tibi tē: you (sing.)
