What Are the Two or Three Mental Models That You Hold in the Highest Regard?

The way we view the world is shaped tremendously through the lens of our micro environment. I call it myopic circles. During the pandemic, everybody around me was vaccinated unless they had some very specific medical condition. But Mexican neighborhoods in Denver are almost like a different universe. These people don't rarely use credit cards. They mostly use cash. If you arm yourself with mental models, you will often see what others don't.