Fear is the most costly of all the human emotions, even though most fears have no foundation in fact.
Napoleon HillNothing was ever created by a human being that was not first created in the imagination through desire and then transformed into reality through concentration.
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