"The personal things should be left out of platforms at conventions. You can argue yourself blue in the face, and you're not going to change each other's minds. It's a waste of your time and my time"

This quote by Barbara Bush is stressing the value of leaving personal matters out of platforms at conventions. She is recommending that it is a waste of time to argue with somebody about individual matters, as it is not likely to alter the other person's opinion. She is suggesting that it is better to focus on the professional elements of the convention, rather than getting into individual arguments. This quote is a pointer that conventions are a place to go over expert matters, and that personal matters should be left out of the conversation. It is a tip to concentrate on the professional aspects of the convention, and to leave personal matters out of the discussion. This quote is a reminder that it is necessary to appreciate each other's opinions, and to focus on the expert aspects of the convention.