German Quotes and aphorisms about leadership Klaus Schwab Albert Schweitzer Peer Steinbruck ,, Europe is difficult to coordinate, and our main deficit may not even lie in this area of finance an... Horst Koehler Lothar Matthaus Ernst Zundel Joe Kaeser ,, Often, sustainability is discussed only in the context of energy. Energy sustainability is essentia... Andreas Schleicher Annegret Kramp-Karrenbauer Annegret Kramp-Karrenbauer