Flies can’t fly into a closed mouth.
More Sicilian Proverbs:
A bountiful pear harvest means shortages of everything else.Sicilian
When a rich man comes to bad times, he doesn't know what to do.
Sicilian
Justice and fire, keep them at arms length.
Sicilian
Learned doctors are stars on earth.
Sicilian
The arm of the young and the head of the old.
Sicilian
Spit at heaven and you'll get it back in your face.
Sicilian