The Greatest Revolution of Our Lives

In 1800s, 90% of people in the world were living at subsistence or near subsistence. In last 40 to 60 years, this has gone worldwide - it's the greatest revolution of our lifetime. And I think we should recognize it for the great triumph it is. We shouldn't take the view that the value of a human being is defined by the position they adopt in society. They're just billionaires.