He who spits in the air pollutes himself.
More French Proverbs:
He who teaches, learns.French
To whom do you offer your shells for sale? To people who come from Saint Michel (where shells abound).
French
Fair things are soon snatched away.
French
They are not free who drag their chains behind them.
French
Parsley seed goes nine times to the Devil.
French
Dressed like a windmill.
French