The House Of Commons has ...

The House Of Commons has never been a tea-party. It consists of strong-minded, often very idealistic people, who are trying to accomplish something for our country. We are inheritors of an adversarial system and that, in itself, fosters conflict.
 John Allen Fraser

Quotes from the same author

The purpose of privilege is not to place parliamentarians above the law, but rather to allow them to carry out their duties independently and effectively, in the national interest.
 John Allen Fraser
The office of Speaker is almost as ancient as Parliament itself. It emerged in the Middle Ages when the Commons - the ordinary people - of England needed a spokesman in their dealings with the King, someone who would voice their grievances and present their petitions. This was by no means a safe or easy thing to do at that time, and potential spokesman generally had to be pressured into accepting the responsibility.
 John Allen Fraser