German Quotes and aphorisms about changes Carl Maria von Weber ,, What love is to man, music is to the arts and to mankind. Music is love itself - it is the purest, ... Hannah Arendt Karl Lagerfeld Hermann von Helmholtz Johann Wolfgang von Goethe Klaus Schwab Klaus Schwab ,, I believe that, if managed well, the Fourth Industrial Revolution can bring a new cultural renaissa... Dietrich Bonhoeffer Gunter Grass Karl Marx