An Inspector Calls by J.B Priestly - How does the play show up the contrasts between the philosophies of Arthur Birling and Inspector Goole?

Arthur Birling and Inspector Goole's philosophies on life and society contrast throughout the play. For most of the play Sheila, Eric and Mrs Birling are fully behind Mr Birling and his philosophies, but towards the end of the play, Eric and Sheila effectively switch sides and begin to back Inspector Goole's philosophies on life and society. Mr Birling is a strong believer in stratas and classes in society; he believes he is in the upper …

…There are still classes in society today, but they are not stuck to as strictly as they were when the play was written. At the beginning of the play Mr Birling's family stuck by his views on life, but towards the end of the play Eric and Sheila, Mr and Mrs Birling's son and daughter, swap sides and start to follow the inspector's views and begin to think about the consequences of their own actions.