This document discusses different theories of motivation from various thought leaders. It contrasts intrinsic motivation which comes from internal drives like mastery and affirmation, with extrinsic motivation which involves external incentives like money, recognition or feedback. Specifically, it mentions theories from David Rock on neuroleadership, Dan Pink on autonomy and purpose, Dan Ariely on predictable irrationality, Simon Sinek on starting with why, and Angela Duckworth's research on grit as a key to success. The document also lists GREAT skills for time management including goal setting, relationships, emotions, communication, and time management.