Short summary of how to win friends & influence people.
Don't Criticize, Condemn or Complain. show respect for the other person's opinions. Never say "You're wrong."
Give Honest and Sincere appreciation. Talk in terms of the other person's interests.
Remember that a person's name is to that person the sweetest and most important sound in any language.
Arouse in the other person an eager want. Be a good listener. Encourage others to talk about themselves.
The only way to get the best of an argument is to avoid it.
If you are wrong, admit it quickly and emphatically.
Praise the slightest improvement and praise every improvement.
Be hearty in your approbation and lavish in your praise.