Principle 1: Do not criticize, condemn or complain

Principle 2: Give honest and sincere appreciation

Principle 3: Arouse in the other person an eager want

Rule 1: The only way to get the best of an argument is to avoid it.

Rule 2: Show respect for the other man's opinions. Never tell a man he is wrong.

Rule 3: If you're wrong, admit it quickly and emphatically.

Rule 4: Begin in a friendly way.

Rule 5: Get the other person saying "yes, yes". immediately.

Rule 6: Let the other man do a great deal of the talking.

Rule 7: Let the other man feel that the idea is his.

Rule 8: Try honestly to see things from the other person's point of view.

Rule 9: Be sympathetic with the other person's ideas and desires.

Rule 10: Appeal to the nobler motives.

Rule 11: Dramatize your ideas.

Rule 12: Throw down a challenge.

Rule 1: Begin with praise and honest appreciation.

Rule 2: Call attention to people's mistakes indirectly.

Rule 3: Talk about your own mistakes before criticizing the other person.

Rule 4: Ask questions instead of giving direct orders.

Rule 5: Let the other person save face.

Rule 6: Praise the even the slightest improvement.

Rule 7: Give the other person a fine reputation to live up to.

Rule 8: Use encouragement. Make the fault seem easy to correct.

Rule 9: Make the other person happy about doing the thing you suggest.