"We all do it every day, the difference is that it takes discipline to become aware of it... consider all the significant decisions you made... You don’t have to be a chess player or an executive to benefit from improving your decision- making process. We make hundreds of decisions just to get through each day. A handful are important enough to keep track of, to look back on critically. Were they successful? Why or why not? We can train ourselves, which is really the only way."
~ Garry Kasparov, [with 22-year reign as Grandmaster; retired in 2005] when asked to recommend some good ways to practise strategic thinking, in an interview by amazon.com, in conjunction with his book, 'How Life Imitates Chess: Making the Right Moves from Board to the Boardroom';