Play Quotes - Page 227
"The Play of Ideas". New Statesman, May 6, 1950.
Gary Vaynerchuk (2013). “Jab, Jab, Jab, Right Hook: How to Tell Your Story in a Noisy Social World”, p.18, Harper Collins
Garry Kasparov (2010). “How Life Imitates Chess: Making the Right Moves, from the Board to the Boardroom”, p.11, Bloomsbury Publishing USA