"’They are a very great boon to mankind, dentists,’ said Isabel. ‘And I’m not sure that we are grateful enough to them. I’m not sure that we even bother to thank them.’ She paused. Were there any statues of dentists? She thought not. And yet there should be."

“One might expect bad behaviour from existentialists – indeed that was what existentialism was all about, was it not? – but to find this happening on one’s own doorstep was a shock.”

“But we make such mistakes all the time, all through our lives. Wisdom, I suppose, is seeing this and acting upon it before it is too late. But it is often too late, isn’t it? – and those things that we should have said are unsaid, and remain unsaid for ever.”

“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.”

“Our minds can come up with the most entertaining possibilities, if we let them. But most of the time, we keep them under far too close a check.”

“It is not enough just to identify a problem; there are plenty of people who were very skilled at pointing out what was wrong with the world, but they were not always so adept at working out how these things could be righted.”

“It was true, of course, there was an abnormal level of narcissism in our society, but it did not do, he told himself, to spend too much time going on about it. Society changed. Narcissism was about love, ultimately, even if only love of self. And that was better than hate.... Did it matter if young men thought of fashion and hair gel when, not all that many years ago, their thoughts tended to turn to war and flags and the grim partisanship of the football terrace?”