A market economy is a tool - a valuable and effective tool - for organizing productive activity. A market society is a way of life in which market values seep into every aspect of human endeavour. It's a place where social relations are made over in the image of the market.

Human beings are empowered to exercise dominion over nature and even to be participants in creation; and yet, at the same time, there are strictures against idolatry, which is a kind of overreaching and confusing human beings' role with God's.

Democracy does not require perfect equality, but it does require that citizens share in a common life.

I think too often in our society parents, who may have good impulses, overreach and try to mold and shape and direct their child.

It's possible to make sense of what's morally at stake in an appreciation of the gift of life, or the gift of a child, without necessarily presupposing that there is a giver. What matters is that the gift - in this case, the child - not be wholly our own doing, our own product.

If parents are aiming at choosing children who will be good athletes, or great musicians, or who will get into Ivy League schools, or who will be tall enough to make the basketball team, then there is a danger that the life of the child will bear the burden of that expectation; and the risk of disappointment and the cost of disappointment will be even higher than they are now, and even now they can be considerable.

I'm a supporter of embryonic stem cell research. I do think there are very important moral and also religious questions at stake in the debate over embryonic stem cell research.