Make space in your life for the things that matter, for family and friends, love and generosity, fun and joy. Without this, you will burn out in mid-career and wonder where your life went.

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.

The message of Passover remains as powerful as ever. Freedom is won not on the battlefield but in the classroom and the home. Teach your children the history of freedom if you want them never to lose it.

While everyone else is thinking about economics and politics, executive salaries and the future of the euro, do the opposite, even if it's hard. Invest in the spirit.

Find people not to envy but to admire. Do not the profitable but the admirable deed. Live by ideals.

Science takes things apart to see how they work. Religion puts things together to see what they mean.

Since the 18th century, many Western intellectuals have predicted religion's imminent demise.