I've been opposed to human cloning from the very beginning.

The human animal has evolved as a preeminently social animal.

As bad as it might be to destroy a creature made in God's image, it might be very much worse to be creating them after images of one's own.

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

We are enmeshed in a lineage that came from somewhere and is going to make way for the next generation.

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

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