Keeping your knowledge useful and grounded in reality requires constantly updating your assumptions. Time, external factors, and your own actions will change the environment. Sticking to an outdated belief can turn a good Strategy into a poor one.
It's helpful to regularly review beliefs, decisions, policies, etc. You might discover your new context and understanding will give you a different insight about them.
## Tools to update your assumptions
* Proving Yourself Wrong. * Keeping a Journal and reviewing it at scheduled intervals. * Externalize your beliefs and assumptions, share them with others. * The Hermeneutic Circle.