Not knowing is a place to begin
An unanswered question need not be a weakness to hide. It can be the most honest opening in the room.
A meeting reaches a difficult question and everyone feels pressure to sound certain. Someone offers an answer that fits the mood, another repeats it, and uncertainty vanishes from the conversation without actually being resolved. The group has gained confidence rather than knowledge.
Saying that something is unclear can make a discussion more useful, not less. It lets the group identify what evidence is missing instead of rewarding the first answer that sounds finished.
Saying I do not know can interrupt that process. Its value depends on what follows. Honest uncertainty should lead to a sharper question, a search for evidence, an experiment, or a decision made with limits acknowledged. It is not an excuse to ignore information already available.
Distinguish several kinds of unknown. You may lack a fact someone else can supply. The evidence may be mixed. The future may depend on choices not yet made. The question may contain a term nobody has defined. Each kind suggests a different next step.
Uncertainty should lead somewhere: a better definition, another source, an experiment, or a decision with limits acknowledged. It is an opening for inquiry rather than a permanent escape from responsibility.
Practise uncertainty in a situation where the cost is modest. Ask for a clarification instead of pretending to understand. State what would help you decide. Notice whether the conversation becomes more useful when its missing pieces can be named.
Freedom from rigid opinion is not an empty mind drifting through every claim. It is a mind capable of saying what it knows, why it believes it, and where the picture remains unfinished. Not knowing is not always the end of thought. Often it is the first truthful sentence that lets thought begin.