Dotty: Archie says the Church is a monument to irrationality.
George: … The National Gallery is a monument to irrationality! Every concert hall is a monument to irrationality! — and so is a nicely kept garden, or a lover's favour, or a home for stray dogs! You stupid woman, if rationality were the criterion for things being allowed to exist, the world would be one gigantic field of soya beans!

Act I - Jumpers (1972)