Were the devil to come from hell to fight, there would forthwith be a Frenchman to accept the challenge. (French Proverb)
If you give a gift to a rich man, the devil sniggers. (French Proverb)
To the devil with so many masters, said the toad to the harrow. (French Proverb)
He who sows the seed of discord works in the devil's barn. (French Proverb)
The servant of the devil does more than is asked for. (French Proverb)
He who has a stepmother has the devil at his hearth. (French Proverb)
The Emperor of Germany is the king of kings, the King of Spain king of men, the King of France king of asses, the King of England king of devils. (French Proverb)
He is the devil's valet, he does more that he is ordered. (French Proverb)
The devil was so fond of his children that he plucked out their eyes. (French Proverb)