A good bone does not always come to a good dog.
More French Proverbs:
Advisers are not the payers.French
No day so long but has its evening.
French
A good dog hunts by instinct.
French
He who comes from afar may lie without fear of contradiction as he is sure to be listened to with the utmost attention.
French
A hawk's marriage: the hen is the better bird.
French
You sell more herrings on the market than sole.
French