Whenever you think, make it a practice to think with your whole mind. Make your thinking whole-hearted instead of half-hearted. Whenever you act, act with all there is in you. Make every action firm, strong, positive and determined; in other words, put your whole soul into everything that you feel, think or do. In this way, you turn on, so to speak, the full current of the will, and whenever the will is used to its full capacity, it will grow and develop.

Try to deepen every action of mind and thought; that is, do not think simply on the surface, but also think subconsciously. Think and act with your deeper mental life. You thereby give the power of the will a deeper field of action, and it is established in the larger life of your individuality instead of in the surface thought of your objective mind. The difference between a superficial will and a deeply established will is readily found in everyday experience. When you will to do anything and your intentions are easily thwarted by the suggestion of someone else, your will is on the surface. But when your intentions are so deeply rooted in the subconsciousness of your mind that nothing can thwart those intentions, your will has gained that great depth which you desire.

The more easily you are disturbed, the weaker your will, while the stronger the will, the more difficult it is for anything to disturb your mind. When the will is strong, you live and exercise self-control