Here is another Rhyming Distich, and here are some more posts with Rhyming Distichs. This one is from Zacher's Altfranzösische Sprichwörter.
Saepe loqui nimium nocuit, nimiumque tacere
Saepe nocet cunctis; mensuram credo valere.
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:
mensūra f. - measure, length, area
crēdo -ere crēdidī crēditum: believe
cūnctus -a -um: entire all together
loquor loquī locūtus sum: speak, talk
nimius -a -um: too much, excessive; nimis or nimium, excessively
noceo nocēre nocuī: harm
que: and (enclitic)
saepe: often
taceo -ēre -uī -itum: be silent; tacitus -a -um, silent
valeo valēre valuī: be strong, excel, be valid, prevail; valē, farewell!