Volunteering has been undervalued in Britain for a long time. Often it has been seen as a kind of cut-price, amateur version of work that would be better done by the state. When politicians speak about it, people hear in the background the sound of budgets being cut.

Religious ritual is a way of structuring time so that we, not employers, the market or the media, are in control. Life needs its pauses, its chapter breaks, if the soul is to have space to breathe.

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.

Science will explain how but not why. It talks about what is, not what ought to be. Science is descriptive, not prescriptive; it can tell us about causes but it cannot tell us about purposes. Indeed, science disavows purposes.

Some years ago there was a study to discover the most stressful occupation. It turned out not to be the head of a large business, football manager or prime minister, but rather: bus driver.

Part of the beauty of Judaism, and surely this is so for other faiths also, is that it gently restores control over time. Three times a day we stop what we are doing and turn to God in prayer. We recover perspective. We inhale a deep breath of eternity.

The wisest rule in investment is: when others are selling, buy. When others are buying, sell. Usually, of course, we do the opposite. When everyone else is buying, we assume they know something we don't, so we buy. Then people start selling, panic sets in, and we sell too.