It is the individual who is not interested in his fellow men who has the greatest difficulties in life and provides the greatest injury to others. It… - Dale Carnegie

There is nothing else that so kills the ambitions of a person as criticisms from superiors. I never criticize any-one. I believe in giving a person incentive to work. So I am anxious to praise but loath to find fault. If I like anything, I am hearty in my approbation and lavish in my praise.

Give honest and sincere appreciation.

foundational principles — don’t criticize, condemn, or complain; talk about others’ interests; if you’re wrong, admit it; let others save face. Such principles don’t make you a clever conversationalist or a resourceful raconteur. They remind you to consider others’ needs before you speak. They encourage you to address difficult subjects honestly and graciously. They prod you to become a kinder, humbler manager, spouse, colleague, salesperson, and parent. Ultimately, they challenge you to gain influence in others’ lives not through showmanship or manipulation but through a genuine habit of expressing greater respect, empathy, and grace.