Who Married a Dumb Wife.  
He wrote "We have medicines to make women speak; we have none to make them keep silence," in his novel The Man Who Married a Dumb Wife.  Following the breakup of his first marriage, he began an affair that inspired the roman a clef, The Red Lily, and the Christian fantasy, Thais.  The novel tetralogy, A Contemporary Tale, harshly analyzed the corrosive effects of the Dreyfuss affair, but he returned to his typical amusing satire in The Gods Are Athirst and The Revolt of the Angels.  FTP, name this author of such novels as The Crime of Sylvester Bonnard and Penguin Island.
He wrote "We have medicines to make women speak; we have none to make them keep silence," in his novel The Man
Anatole France or Jacques-Anatole-Francois Thibault