When we walk into a new situation, it’s best to assume everything is new. Yes, even the obvious stuff. It takes two seconds to confirm most things and it’s usually worth it. If you learn nothing new in every re-confirmation of the obvious, you exercise the muscle and habit of always being fluid and adaptable, and open to creative ideas.
The stuff we know will lead us and guide us in the decisions we make, but they must not be allowed to blind us and close off creative solutions that are overlooked because we’ve locked in on one solution that we “know” is right because of a bunch of preconceived assumptions.
Never underestimate the value of the fluid movement of information that will be presented in every situation we face.