People do care where their food, or other goods, comes from, not merely if the price is right. And that means no business can afford to ignore the impacts their buying practices have on producers and on the perceptions and choices of consumers.

Stress means something different if it is the result of rewarding work rather than struggling to keep the family out of debt.

No matter how convinced we are that someone is nasty, evil or just plain criminal, if they have not been convicted of any crime and support views that are upheld and defended by many law-abiding citizens, the only way to tackle them is through democratic debate.

The optimist underestimates how difficult it is to achieve real change, believing that anything is possible and it's possible now. Only by confronting head-on the reality that all progress is going to be obstructed by vested interests and corrupted by human venality can we create realistic programmes that actually have a chance of success.

Christmas is a rare occasion when we are reminded that we have obligations to people we did not choose to be related to, and that love is not just a spontaneous feeling but something we sometimes really have to work at, with people we may not even much like.

We do wrong willfully when we fail to think hard about whether what we're doing is right.

If I hammer my own thumb while doing some DIY, it's not nice, but it's not the end of the world. To care obsessively about similar levels of discomfort in animals seems to be a case of mistaken moral priorities.