If you have easy self-contentment, you might have a very, very cheap source of happiness.

My job is to provide the president with the richest possible consideration, so that he knows what is at stake in whatever decision he makes.

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

In the case of abortion, one pits the life of the fetus against the interests of the pregnant woman.

If one is seriously interested in preventing reproductive cloning, one must stop the process before it starts.

The benefits of biomedical progress are obvious, clear, and powerful. The hazards are much less well appreciated.

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