Reminds me of How to Win Friends and Influence People, wherein they give the advice to focus on others' interests primarily because people care about their own

Reminds me of How to Win Friends and Influence People, wherein they give the advice to focus on others' interests primarily because people care about their own interests most. As an example, the author quotes a letter to a potential employer that has a very similar format (I know you have this need, and this is why I can fill that need).