Everyone seeks to attain excellence and happiness in their lives, yet world-class performance is rare. Research shows that education accounts for only 1 per cent of performance levels, work experience only 3 per cent, and age in adults 0 per cent. The authors have unearthed the secret of world-class performance: Excellence in any profession or activity depends on the single variable of high mind-brain development. By mind-brain development, they refer to a much more comprehensive transformation than what is commonly understood; they are talking about a sequence of fundamental shifts to new realities in the way our brain functions and the way we look upon ourselves, others, and the world.