Why buy a cow if you can get the milk for free.
More French Proverbs:
The devil sweetens another man's wife with a spoonful of honey.French
He is rich enough who owes nothing.
French
Tis a long day a day without bread.
French
In love and war don't seek counsel.
French
It's a big wind that blows on small doors.
French
It is nothing at all, only a woman drowning.
French