God made the world or he didn't.
God made you or he didn't.
If he did, your little human life is, and has been, touched by the divine. If this is true, it would be true of all humans, not only some. And so--again, if it is true--each human life is precious, of infinite value, worthy of great respect.
Most--not all, but probably most--of those who support Terri Schiavo's right to live believe the above. This explains their passion and emotionalism. They believe they are fighting for an invaluable and irreplaceable human life. They are like the mother who is famously said to have lifted the back of a small car off the ground to save a child caught under a tire. You're desperate to save a life, you're shot through with adrenaline, your strength is for half a second superhuman, you do the impossible.
That is what they are trying to do.
They do not want an innocent human life ended for what appear to be primarily practical and worldly reasons--e.g., Mrs. Schiavo's quality of life is low, her life is pointless. They say: Who is to say it is pointless? And what does pointless even mean? Maybe life itself is the point.
Read the entire article on the Wall Street Opinion Journal website (new window will open).