All his geese are swans.
More French Proverbs:
He sins as much who holds the bag as he who puts into it.French
If a man would learn to pray let him go often to sea.
French
By dint of going wrong all will come right.
French
All is luck or ill luck in this world.
French
Nobility imposes obligations.
French
To heaven for the music but to hell for a good conversation.
French