Technological innovation is indeed important to economic growth and the enhancement of human possibilities.

Human life without death would be something other than human; consciousness of mortality gives rise to out deepest longings and greatest accomplishments.

It's very hard to make arguments about the effects of cloning on family relations if family relations are in tatters.

We may simply not be wise enough to do some of the kinds of engineering things that people are talking about doing.

Cloning looks like a degrading of parenthood and a perversion of the right relation between parents and children.

There's an ancient tension between wanting to savor the world as it is and wanting to improve on the world as given.

Genetics is crude, but neuroscience goes directly to work on the brain, and the mind follows.