A survey carried out across the U.S. between 2004 and 2006 showed that frequent church- or synagogue-goers are more likely to give money to charity.

The build-up of personal and collective debt in America and Europe should have sent warning signals to anyone familiar with the biblical institutions of the Sabbatical and Jubilee years, created specifically because of the danger of people being trapped by debt.

Close to a billion people - one-eighth of the world's population - still live in hunger. Each year 2 million children die through malnutrition. This is happening at a time when doctors in Britain are warning of the spread of obesity. We are eating too much while others starve.

When you've got Jews and Christians, Muslims, Sikhs and Hindus removing graffiti from buildings, or getting drug dealers off the street, that's side by side. When you do that, you take it from the very elevated level of interfaith dialogue to the street level of neighbors. You get them working side by side, and they become friends. Friendship sometimes counts for more than interfaith agreement or understanding. Friendship is deeply human.

We believe that what we possess we don't ultimately own. God is merely entrusting it to us. And one of the conditions of that trust is that we share what we have with those who have less. So, if you don't give to people in need, you can hardly call yourself a Jew. Even the most unbelieving Jew knows that.

I do not want to suggest that you have to be religious to be moral.

It is through exchange that difference becomes a blessing, not a curse.