“Happiness doesn't depend on any external conditions, it is governed by our mental attitude.”

Dale Carnegie View all quotes by Dale Carnegie

More from Dale Carnegie

“Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.” Dale Carnegie

“Feeling sorry for yourself, and your present condition, is not only a waste of energy but the worst habit you could possibly have.” Dale Carnegie

“If you want to conquer fear, don't sit home and think about it. Go out and get busy.” Dale Carnegie