Talk about your own mistakes before criticizing the other person. This is by far the best advice Carnegie made. If you want to get people to level with you, fi

Talk about your own mistakes before criticizing the other person. This is by far the best advice Carnegie made. If you want to get people to level with you, first you need to let them know you yourself are vulnerable, make mistakes and are very much like the opposing party. Once your each that level, the other party is more prone to listen to what you have to say next. Be it a suggestion, criticism or a direct order.