It is the sauce that makes the fish edible.
More French Proverbs:
It is a double pleasure to deceive the deceiver.French
A spaniel, a wife, and a walnut tree, The more you beat 'em the better they be.
French
A stingy man is always poor.
French
A party of two is that of God; of three of the king; of four is of the devil.
French
The benefice must be taken with its liabilities.
French
The have always returns to her form.
French