If you are reading the same books, the same news, participating in the same events that everyone else, or surrounded by people who only think like you, you could be missing a significant opportunity to grow, amplify your perspective, and increase your understanding and knowledge.
Great leaders dare to be different. Great leaders understand that it is important to learn and try to understand another point of view. To be surrounded by people whose ideas are not always aligned with yours. People who challenge your opinion and help you to reflect and uncover your blind spots.