What is bad for one is good for another.
More French Proverbs:
One must howl with the wolves.French
He who lies down with dogs gets up with fleas.
French
Never say, Fountain, I will not drink of thy water.
French
A bellyfull of gluttony will never study willingly.
French
It's a big wind that blows on small doors.
French
Take away my good name, take away my life.
French