"We have no right to inflict suffering and death on another living creature unless there is some unavoidable necessity for it, and that we ought all of us feel what a horrible thing it is to cause suffering and death out of mere thoughtlessness. And this conviction has influenced me only more and more strongly with time. I have grown more and more certain that at the bottom of our heart we all think this, and that we fail to acknowledge it and to carry our belief into practice chiefly as sentimentalists, though partly also because we allow our best feelings to get blunted. But I vowed that I would never let my feelings get blunted, and that I would never be afraid of the reproach of sentimentalism."
Albert Schweitzer (1875-1965), missionary, physician, 1952 Nobel Peace Prize