ISIS is a terrorist entity whose barbarities have been condemned by all those who value our common humanity. In the current political climate, when hate crimes are rising and political rhetoric is increasingly divisive, this is all the more shocking.

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

If you want a free society, teach your children what oppression tastes like. Tell them how many miracles it takes to get from here to there. Above all, encourage them to ask questions. Teach them to think for themselves.

Religion creates community, community creates altruism and altruism turns us away from self and towards the common good... There is something about the tenor of relationships within a religious community that makes it the best tutorial in citizenship and good neighborliness.

The emphasis has been on rights, not responsibilities. When it comes to piecing together the fragments of broken lives, we have tended to place the entire burden on the state and its agencies.

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 know – it has been measured in many experiments – that children with strong impulse control grow to be better adjusted, more dependable, achieve higher grades in school and college and have more success in their careers than others. Success depends on the ability to delay gratification, which is precisely what a consumerist culture undermines. At every stage, the emphasis is on the instant gratification of instinct. In the words of the pop group Queen, “I want it all and I want it now.” A whole culture is being infantilised.