The happiest people are those who have learned to mix play with their work and to bind the two together with enthusiasm.
Napoleon HillThe great master key to riches is nothing more or less than the self-discipline necessary to help you take full and complete possession of your own mind.
Napoleon HillPositive and negative emotions cannot occupy the mind at the same time. One or the other must dominate. It is your responsibility to make sure that positive emotions constitute the dominating influence of your mind. Here the law of HABIT will come to your aid. Form the habit of applying and using the positive emotions! Eventually, they will dominate your mind so completely, that the negatives cannot enter it.
Napoleon Hill