In many cases a party undertakes to prove a custom from the time of legal memory, the reign of Richard the Second; but that proof is generally establ… - Lloyd Kenyon, 1st Baron Kenyon

Some modern cases have in my opinion gone too far.

The situation the Lord Mayor holds is the first officer of the first city in the world in point of commerce and riches, and everything that can constitute the magnificence of a city. He is a judicial officer, and a municipal officer too, and from these combined characters there are duties incumbent upon him, which by all the ties that can bind a man to the discharge of duty, he is bound to discharge. It stands at the head of his duties, next after protecting the religion which binds us to God, to govern that civil policy which binds government together, and prevents us from being a state of anarchy and confusion.

It is necessary for Courts of Justice to hold a strict hand over summary proceedings before magistrates, and I never will agree to relax any of the rules by which they have been bound. Their jurisdiction is of a limited nature, and they must shew that the party was brought within it.