David Allen defines "Mind like water"

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Culadasa John Yates The Mind Illuminated - A Complete Meditation Guide Integrating Buddhist Wisdom and Brain Science

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Kevin Xu Zhang Yiming’s Last Speech: Part I

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Shannon Lee Be Water, My Friend: The Teachings of Bruce Lee

W Timothy Gallwey The Inner Game of Tennis: The classic guide to the mental side of peak performance

Shannon Lee Be Water, My Friend: The Teachings of Bruce Lee