Ethics has not only to do with mankind but with the animal creation as well. This is witnessed in the purpose of St. Francis of Assisi. Thus we shall arrive that ethics is reverence for all life. This is the ethic of love widened universally. It is the ethic of Jesus now recognized as a necessity of thought...Only a universal ethic which embraces every living creature can put us in touch with the universe and the will which is there manifest.
Albert SchweitzerMysticism occurs whenever a human being sees the separation between the natural and the supernatural, between the temporal and the eternal, as overcome.
Albert SchweitzerAnyone who has accustomed himself to regard the life of any living creature as worthless is in danger of arriving also at the idea of worthless human lives.
Albert Schweitzer