This principle eludes most people, but it is critical: You are not your idea, and if you identify too closely with your ideas, you will take offense when they are challenged

This principle eludes most people, but it is critical: You are not your idea, and if you identify too closely with your ideas, you will take offense when they are challenged (Ed Catmull, Creativity, Inc.: Overcoming the Unseen Forces That Stand in the Way of True Inspiration)