Listen to People Smarter than Yourself

The idea that you have to be the best and know everything about any given subject is not only toxic but unrealistic. The most successful people in the world surround themselves with experts in their particular field rather than spreading themselves thin and attempting to take on everything on their own. You can tell a measure of a person by the people they hang out with. By creating a team of individuals who challenge and lift you up, you can only become better yourself.

Or as Warren Buffet...