I felt genuine relief when, while studying narrative therapy, I learned I didn't need to know everything! Instead, being curious and listening carefully would teach me what I needed to know to make a positive contribution to any situation.
Turns out this is intellectual humility; prioritising learning over being right, nurturing a relationship rather than demonstrating intellectual superiority.
Daryl Van Tongeren calls it the rewards of being able to change your mind
Michael Dickson believes it's a key ingredient for scientific progress
But my favourite is Kathryn Schulz. Her 2011 TED talk shows how fallibility is where the fun is :-)