Complex sentence: Stoker will buy the Hall, and Chuffy and Pauline are to be wed. Jeeves reveals that he was responsible for the cable, and, stating that it has never been his policy to serve a married gentleman, returns to Bertie's employ.
Split into simpler sentences: Stoker will buy the Hall, and Chuffy and Pauline are to be wed. Jeeves reveals that he was responsible for the cable. Stating that it has never been his policy to serve a married gentleman, Jeeves returns to Bertie's employ.