Quick note on mental models: Everyone uses them whether they realize it or not. Mental models are abstractions, explanations, or frameworks that help us make sense of something. They are shortcuts that allow us to observe and respond to the world around us.
I won't claim to be an expert in mental models, I'm certain I have a few flawed self-constructed ones I use on a daily basis that will cause me trouble at some point. But, they've helped me and even shaped me so far.
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Source: https://www.amazon.com/Finite-Infinite-Games-James-Carse/dp/1476731713
Simon Sinek, also wrote a great book about this: https://simonsinek.com/the-infinite-game
The concept of Finite Games and Infinite Games was proposed by James P. Carse and there is quite no way to describe it better than he did himself:
There is no judgement in someone playing either finite games or infinite games, likely most people are always interchanging between playing the two."There are at least two kinds of games: finite and infinite. A finite game is played for the purpose of winning, an infinite game for the purpose of continuing the play. Finite games are those instrumental activities - from sports to politics to wars - in which the participants obey rules, recognize boundaries and announce winners and losers. The infinite game - there is only one - includes any authentic interaction, from touching to culture, that changes rules, plays with boundaries and exists solely for the purpose of continuing the game. A finite player seeks power; the infinite one displays self-sufficient strength. Finite games are theatrical, necessitating an audience; infinite ones are dramatic, involving participants..."