It is only when a person has his own generator that we can talk about motivation. He then needs no outside stimulation. He wants to do it.
Frederick HerzbergMan does work for profit in order to enjoy pain; but in a positive sense, he works to enjoy the excitement and meaning that achievement provides for his own psychological growth and thereby his happiness.
Frederick HerzbergTrue motivation comes from achievement, personal development, job satisfaction, and recognition.
Frederick Herzberg