Our degeneration, when it is traced back to its origin in our view of the world really consists in the fact that true optimism has vanished unperceived from our midst.
Albert SchweitzerThe the question whether I am a pessimist or an optimist, I answer that my knowledge is pessimistic, but my willing and hope are optimistic.
Albert SchweitzerEthics is in its unqualified form extended responsibility with regard to everything that has life.
Albert Schweitzer