" Duncan and Popovich evolved into what amounts to a father-son relationship, a high-trust, no-bullshit connection that provides a vivid model for other players, especially when it comes to absorbing Popovich’s high-volume truth-telling. As more than one Spur put it, If Tim can take Pop’s coaching, how can I not take it? "

― Daniel Coyle , The Culture Code: The Secrets of Highly Successful Groups