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Drive: The Surprising Truth About What Motivates Us
The Upside of Irrationality: The Unexpected Benefits of Defying Logic at Work and at Home
amazon.com
The most successful people. . . often aren't directly pursuing conventional notions of success. They're working hard and persisting through difficulties because of their internal desire to control their lives, learn about their world, and accomplish something that endures.
Daniel Pink, Drive: The Surprising Truth About What Motivates Us, p. 60.