- Avoid arguments.
- Show respect for the other person's opinions. Never tell someone they are wrong.
- If you're wrong, admit it quickly and emphatically.
- Begin in a friendly way.
- Start with questions the other person will answer yes to.
- Let the other person do the talking.
- Let the other person feel the idea is his/hers.
- Try honestly to see things from the other person's point of view.
- Sympathize with the other person.
- Appeal to noble motives.
- Dramatize your ideas.
- Throw down a challenge.
Dale Carnegie