Different Quotes - Page 113
Peter M. Senge, C. Otto Scharmer, Joseph Jaworski, Betty Sue Flowers (2005). “Presence: An Exploration of Profound Change in People, Organizations, and Society”, p.212, Crown Business
1996 Interview in the Daily Telegraph,10 Sep.
Benjamin Ricketson Tucker (1893). “Instead of a Book”, Ayer Company Pub
Barbara W. Tuchman (2009). “The Guns of August: The Outbreak of World War I; Barbara W. Tuchman's Great War Series”, p.114, Random House