We have all witnessed, as well, family, friends, or medical workers who have chosen to provide years of loving care to persons who may suffer from Alzheimer's or other debilitating illnesses precisely because they are human persons, not because doing so instrumentally advances some other hidden objective.

I began my legal career working for Byron White, the last Coloradan to serve on the Supreme Court, and the only justice to lead the N.F.L. in rushing. He was one of the smartest and most courageous men I've ever known.

We have all witnessed, as well, family, friends, or medical workers who have chosen to provide years of loving care to persons who may suffer from Alzheimer's or other debilitating illnesses precisely because they are human persons, not because doing so instrumentally advances some other hidden objective.

Ours is the job of interpreting the Constitution. And that document isn't some inkblot on which litigants may project their hopes and dreams.

We seek to protect and preserve life for life's own sake in everything from our most fundamental laws of homicide to our road traffic regulations to our largest governmental programs for health and social security.