" According to the substantival view, all people are of infinite worth, regardless of their natural or acquired abilities or disabilities, simply because they possess a soul. It may be that certain persons cannot or do not exercise the capacities of their soul. Their intrinsic value, however, is rooted in the fact that they possess a soul, whether or not its capacities are exercised. Responding "

― Gregory A. Boyd , Across the Spectrum: Understanding Issues in Evangelical Theology