He who can lick can bite.
More French Proverbs:
Never share a foxhole with anyone braver than you are.French
Appetite comes with eating; the more one has, the more one would have.
French
Young people tell what they are doing, old people what they have done, and fools what they wish to do.
French
Children and fools are prophets.
French
He who sows thistles reaps thorns.
French
For wolf's flesh dog sauce.
French