Carnegie's "Human Weaknesses" should not imitate others, but discover and realize yourself.

Don’t count how much you are missing, but count how much you have.

Don't forget that vicious criticism is often a disguised praise; you know, no one will give a dead dog.

Do your best, then hold up your umbrella and don’t let the rain of blame get you hurt.

Don’t criticize, blame, or complain when you encounter setbacks.

Inspire others with sincere compliments.

Arouse strong needs in others.

Make the other person feel noble and important—and be sincere.

Respect the opinions of others and never tell others that they are wrong.

Start with a friendly approach.

Let others think that the correct opinion is his.

Appeal to noble motives and evoke good moods.

Learn to point out other people’s mistakes indirectly.

Use a consultative tone instead of direct orders.

Let others save their own face