Povero chi si fida ad un marrano:
Terra nevosa non mena più grano.
Povera chi si fida a un disertore :
Di ramo seco non germoglia fiore.
Notes from Wikiquote
Translation: Poor is he who in traitor doth confide :
Never shall snow-clad land good grain provide.
Poor she who in deserter faith doth show :
Never shall flowers on withered branches grow. | Translation reported in Harbottle's Dictionary of quotations French and Italian (1904), p. 395.