I love the New Yorker dog cartoons. (Remember the 1993 one of one mutt explaining to another that “On the Internet, nobody knows you’re a dog”?)

I’ve just come on another classic. Two dogs are walking past a picket fence. One is saying: “It’s always ‘Sit’, ‘Stay’, ‘Heel’ — never ‘Think’, ‘Innovate’, ‘Be Yourself’.”

Which reminds me, perversely, of a New Yorker cat joke. A man, about to go out through his front door, is pointing to a litter-tray and saying to his cat, “Don’t you dare think outside of the box”.