Put not an embroidered crupper on an ass.
More Romanian Proverbs:
Ill gotten, ill spent.Romanian
We don't kill a pig every day.
Romanian
The tailor that makes not a knot loses a stitch.
Romanian
The frying-pan said to the kettle, "Avaunt, black brows!"
Romanian
The hare always returns to her form.
Romanian
Nothing so bad in which there is not something of good.
Romanian