In England it is bad manners to be clever, to assert something confidently. It may be your own personal view that two and two make four, but you must not state it in a self-assured way, because this is a democratic country and others may be of a different opinion.
George MikesThe trouble with tea is that originally it was quite a good drink. So a group of the most eminent British scientists put their heads together and made complicated biological experiments to find a way of spoiling it. To the eternal glory of British science, their labour bore fruit.
George Mikes