A wheel not greased will creak.
More Latin Proverbs:
No folly like being in love.Latin
It is well to buy oil as well as salt. [Different remedies should be at hand when required.]
Latin
What is viler than to be laughed at?
Latin
Carthage must be destroyed.
Latin
A wise man should never give his wife too much rein.
Latin
He makes idle boasting.
Latin