He soon quarrelled with the ambassador and returned to Paris.

He found his way into the house of Madame Dupin, wife of a rich farmer-general (of taxes).

He was considered clever; he wrote little plays, which he set to music.

Enthusiastically welcomed by the friends of Madame Dupin, he contributed to their amusements.

"We began with the _Engagement temeraire,_" says Madame d'Epinay in her Memoires: "it is a new play by M.Rousseau, a friend of M.de Francueil's, who introduced him to us.