Intelligence Call It Smarts: Update Yourself - Step by Step
Harry Zenner
Geographic, January 2012, p. 38. 2 Eugene Ehrlich and Marshall DeBruhl, The International Book of Quotations,Harper Collins, 1996. 3 Ibid. 4 Stephen Hawking , A BriefHistoryof Time, 1998. 5 Op. cit., Ehrlich and DeBruhl. 6 Ibid. 7 Ibid. 8 Ibid.