All personal achievement starts in the mind of the individual. Your personal achievement starts in your mind. The first step is to know exactly what your problem, goal or desire is.
You affect your subconscious mind by verbal repetition.
Definiteness of purpose is the starting point of all achievement.
Big doors swing on little hinges.
When we direct our thoughts properly, we can control our emotions.
When you do the wrong thing, knowing it is wrong, you do so because you haven't developed the habit of effectively controlling or neutralizing strong inner urges that tempt you, or because you have established the wrong habit and don't know how to eliminate them effectively.