No real leader I've ever met always knew what's best!
Why then do we have political and religious leaders, and some business leaders, trying to tell us that they know best? My answer is that for them it's about ego and wanting to control other people.
Don't be one of these people. Instead form relationships with people who have the expertise and can be relied on as trusted advisors. Become a trusted advisor yourself.
A trusted advisor is someone who has exceptional knowledge in a particular area and can provide unbiased advice.
Your own opinions are very important yet if you believe you always know best then your arrogance and ignorance will be your undoing, let alone the untold costs of these in the past and their consequences for the future.
Who will be you become?
What will you do next?