“Optimists are right. So are pessimists. It's up to you to choose which you will be.”
Source : Harvey Mackay (2011). “The Mackay MBA of Selling in the Real World”, Penguin
“Oh love and hate are two sides of the same blade”
Source : Jacqueline Carey (2011). “Kushiel's Dart”, p.210, Pan Macmillan
Source : "A conversation with award-winning recording artist David Crowder". Interview with Chad Bonham, www.beliefnet.com. 
“No cowboy ever quit while his life was hardest and his duties were most exacting.”
Source : J. Frank Dobie, John D. Young (1998). “A Vaquero of the Brush Country: The Life and Times of John D. Young”, p.99, University of Texas Press
Charles Sheffield
Author
Connie Willis
Writer
Harry Turtledove
Novelist
Jack Williamson
Fiction writer
Kim Stanley Robinson
Writer
Larry Niven
Author
Poul Anderson
Author
Robert A. Heinlein
Science writer
Vernor Vinge
Computer Scientist
