Begin with praise and honest appreciation. Call attention to people's mistakes indirectly. Talk about your own mistakes before criticizing the other person. Ask questions instead of giving direct orders. Make the fault easy to correct. Make the other person happy about doing what you suggest.

Do the thing you fear to do and keep on doing it... that is the quickest and surest way ever yet discovered to conquer fear.

Let us praise even the slightest improvement. That inspires the other person to keep on improving.

Whenever Roosevelt (Theodore) expected a visitor, he sat up late the night before, reading up on the subject in which he knew his guest was particularly interested. For Roosevelt knew, all the leaders royal road to a person's heart is to talk about the things he or she treasures most.

Millions of people have wrecked their lives in angry turmoil, because they refused to accept the worst; refused to try to improve upon it; refused to salvage what they could from the wreck. Instead of trying to reconstruct their fortunes, they engaged in a bitter and "violent contest with experience"- and ended up victims of that brooding fixation known as melancholia.

If you believe in what you are doing, then let nothing hold you up in your work.

There is no such thing as constructive criticism.