It’s very difficult to convince yourself of a new idea if a contradictory idea is already anchored in your thinking. Most of the beliefs and opinions I held most deeply in my twenties and thirties were wrong. In fact, it would be an easier exercise to identify what I was right about than to try to count all the ways I was wrong. We are not experts on most things, so why does everyone need to have an opinion on so many issues? We are too frequently blinded by our own opinions, but we can design decision-making processes to overcome this bias. Such a process can help you avoid painful mistakes and gain an advantage, but this effort takes humility and can be difficult.