Maritime Provençal
Quand per Nouvè lia ges de luno
Quau a doues cabro n'en vènde uno.
Meaning
When at Christmas there is no moon, he who has two goats sells one.
Theme
Source : La Tour-Keyrié, Recueil de proverbes provençaux (1882), Gallica — public domain. Maritime Mistralian normalisation by Lingua Nostra.