He who eats the king’s cow lean, pays for it fat.
More French Proverbs:
There are no beautiful prisons or ugly loved ones.French
Nothing so bold as a miller's shirt.
French
The meaning is best known to the speaker.
French
Foul linen should be washed at home.
French
After the daughter is married, then come sons-in-law in plenty.
French
As the man is worth his land is worth.
French