Soon or late, it is ideas, not vested interests which are dangerous for good or evil.
--John Maynard Keynes, The General Theory of Employment, Interest and Money
(Thanks to Joanna for bringing this quote to my attention.)
40ft stack of books sculpture at the Berlin Walk of Ideas. The Walk of Ideas is a set of six sculptures made for the 2006 FIFA World Cup football event at Berlin in Germany. The set of sculptures was unveiled on 21 April 2006 at Bebelplatz, a square near the Unter den Linden, at the entrance to Humboldt University. The exhibition was part of the event entitled, Welcome to Germany, the land of ideas and the opening of the exhibition was covered by reporters for the international mass media. The sculptures were displayed until September 2006. (via Wikipedia