The belief that life is sacred, special and holy. Therefore, all life deserves respect, and should be treated equally. Life is special because it involves the creative action of God.
A description of how good someone's life is. It includes how comfortable they feel, how easy it is for them to live through each day, perhaps how much they have in terms of money and possessions. For many medical ethics issues it is ultimately about whether or not life is worth living because of the situation a person finds themselves in.