What else does a detective agency really need? Detective agencies rely on human intuition and intelligence, both of which Mma Ramotswe had in abundan… - Alexander McCall Smith

These tests are designed to exclude others from the discourse - just as the word discourse is itself designed to do. These words are intended to say to people: this is a group thing. If you don't understand what we're talking about, you're not a member of the group. So, if you call this place the Canny Man's it shows that you belong, that you know what's what in Edinburgh. And that, you know, is what everybody wants, underneath. We want to belong.

Everything you wanted to know about a person was written in the face, she believed. It’s not that she believed that the shape of the head was what counted – even if there were many who still clung to that belief; it was more a question of taking care to scrutinise the lines and the general look. And the eyes, of course; they were very important. The eyes allowed you to see right into a person, to penetrate their very essence, and that was why people with something to hide wore sunglasses indoors. They were the ones you had to watch very carefully.

People often don't appreciate how complex happiness may be. They think that happy people are shallow, which can be so wrong. It's actually far easier to be unhappy than it is to be happy. It requires more effort, more understanding, more character to be consistently happy.