Continuing with our series on Napoleon Hill’sThink and Grow Rich” this week’s principle of personal achievement is on self discipline. Mr. Hill shares eight ways that we can master our self discipline. Noted below are tips from the first four. Enjoy this week’s lesson.
1)      Mastery over your tongue
2)      Mastery over your desire to strike back at others
3)      Mastery over your emotions
4)      Mastery over your mental attitude