If you are hungry for food, you are prepared to hunt high and low for it. If you are hungry for information it is the same. Information is all around us, now more than ever before in human history. You barely have to stir or incommode yourself to find things out. The only reason people do not know much is because they do not care to know. They are incurious. Incuriosity is the oddest and most foolish failing there is.

But happiness is no respecter of persons.

It was behaviour that I thought not far from racism, sexism or any other kind of prejudice or snobbery. 'Because you are not cute, I do not want to know you' was, to me, hardly different from suggesting 'because you are gay, I dislike you

We always make the mistake, the fatal mistake in the case of military people, of imagining that each war will be a kind of version of the one that happened previously.

What other developed democracy has such a ridiculous and squalid history of intolerance? From the imprisonment and roasting of heretics, witches and poachers, to the censorship of literature, art and television: from St Alban through Wilde, Joyce and Lawrence I think we can point with pride to as grim a catalogue of intemperate, bigoted repression as any nation on earth.

Great and good men and women stirred sugar into their coffee knowing that it had been picked by slaves. Kind, good ancestors of all of us never questioned hangings, burnings, tortures, inequality, suffering and injustice that today revolt us. If we dare to presume to damn them with our fleeting ideas of morality, then we risk damnation from our descendants for whatever it is that we are doing that future history will judge as intolerable and wicked: eating meat, driving cars, appearing on TV, visiting zoos, who knows?

In a dung heap, even a plastic bead can gleam like a sapphire.