Lack of persistence is one of the major causes of failure. Moreover, experience with thousands of people has proved that lack of persistence is a weakness common to the majority of men. It is a weakness which may be overcome with effort.
Napoleon HillSuccess is very largely a matter of adjusting one's self to the ever-varying and changing environments of life, in a spirit of harmony and poise.
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 HillIt is a point that I repeat over and over again in teaching public speaking. It is not so much what you say as it is the tone and manner in which you say it that makes a lasting impression.
Napoleon Hill