German Quotes and aphorisms about invest Q'orianka Kilcher ,, Instead of locking people up and throwing away the key, it's important to invest in them and show t... Rolf-Dieter Heuer Joe Kaeser ,, Often, sustainability is discussed only in the context of energy. Energy sustainability is essentia... Claudia Schiffer Wolfgang Schauble John Kluge Karl Lagerfeld Angela Merkel