I can't say that I know of any special device for it[to cure stammering]—people have used various kinds of devices to get over it, but behind them all will-power and a patient discipline of the utterance are indispensable.
<ref>http://incarnateword.in/cwsa/31/specific-illnesses-ailments-and-other-physical-problems#p19</ref>
=How to Cultivate Will to Progress =
All the psychological qualities can be cultivated as the muscles are—by regular, daily exercise. Above all, turn towards the Divine Force in a sincere aspiration and implore It to deliver you from your limitations. If you are sincere in your will to progress, you are sure to advance. <ref>http://incarnateword.in/cwm/16/21-january-1962#p3 </ref>
==How to cultivate Will to Progress : Practices that will help==
How can one increase single-mindedness and will-power?
The mother: Through regular, persevering, obstinate, unflagging exercise—I mean exercise of concentration and will. <ref>http://incarnateword.in/cwm/16/7-april-1965#p2 </ref>
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''Q.Mother, how can one strengthen one's will-power?''
''A:''Concentration and will can be developed as well as muscles; they grow by regular training and exercise. <ref>http://incarnateword.in/cwm/12/study#p98 </ref>
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The only way to do it [develop the true will-power] is (1) to become aware of a conscious Force behind that uses the mind etc. (2) to learn by practice to direct that Force towards its object. I do not suppose you will find it easy to do either of these things at once—one must first learn to live more deeply in the inner consciousness than you have done hitherto. <ref>http://incarnateword.in/cwsa/31/vigilance-resolution-will-and-the-divine-help#p30 </ref>
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In the forehead between the eyes but a little above is the Ajnachakra, the centre of the inner will, also of the inner vision, the dynamic mind etc. (This is not the ordinary outer mental will and sight, but something more powerful, belonging to the inner being.) When this centre opens and the Force there is active, then there is the opening of a greater will, power of decision, formation, effectiveness beyond what the ordinary mind can achieve. <ref>http://incarnateword.in/cwsa/28/the-system-of-the-chakras#p59 </ref>
===By Sincerity===
And there are people who tell me, "I don't have the will- power." That means you are not sincere. For sincerity is an infinitely more powerful force than all the wills in the world. It can change anything whatever in the twinkling of an eye; it takes hold of it, grips it, pulls it out—and then it's over. <ref>http://incarnateword.in/cwm/08/11-january-1956#p43 </ref>
===By Concentration in the Heart===
But it is better because if you concentrate there [heart], deeply enough, it is there that you enter into contact with the psychic for the first time; while if you concentrate in the head you have to pass later from the head to the heart to be able to identify yourself with the psychic being. And if you concentrate by gathering the energies, it is better to gather them here, because it is in this centre, in this region of the being that you find the will to progress, the force of purification, and the most intense and effective aspiration. The aspiration that comes from the heart is much more effective than that from the head. <ref>http://incarnateword.in/cwm/06/3-november-1954#p8 </ref>
===By Choosing Difficulties===
It is a recognised fact that in order to progress rapidly, one must not be afraid of difficulties; on the contrary, by choosing to do the difficult thing at every opportunity, one increases the will-power and strengthens the nerves. Now, it is much more difficult to lead a life of moderation and balance, in equanimity and serenity, than to try to contend with over-indulgence in pleasure and the obscuration it entails, by over-indulgence in asceticism and the disintegration it causes. It is much more difficult to achieve the harmonious and progressive development of one's physical being in calm and simplicity than to ill-treat it to the point of annihilation. It is much more difficult to live soberly and with- out desire than to deprive the body of its indispensable nourishment and cleanliness and boast proudly of one's abstinence. It is much more difficult to avoid or to surmount and conquer illness by an inner and outer harmony, purity and balance, than to disregard and ignore it and leave it free to do its work of destruction. And the most difficult thing of all is to maintain the consciousness constantly at the height of its capacity, never allowing the body to act under the influence of a lower impulse. <ref>http://incarnateword.in/cwm/12/the-four-austerities-and-the-four-liberations# </ref>
When you live in an ordinary consciousness, and to the extent you remain on a certain plane which is a combination of the most material mind, vital, physical, that is, the ordinary plane of life, you are subject to the determinism of this plane and it is this subjection to the determinism of this plane which puts you exactly in these conditions, for you have deep within you something which aspires for another life but doesn't yet know how to live that other life, and which pushes from inside in order to get the conditions necessary for this other life. These are inner conditions, they are not outer conditions. But this takes its support on outside obstacles in order to strengthen itself in its will to progress; and so, if you look at it from within, you can even say that it is you yourself who create the difficulties to help you to go forward.
<ref>http://incarnateword.in/cwm/06/6-october-1954#p35</ref>
===Role of Higher Consciousness===
And yet, consciousness has been given to man so that he can progress, can discover what he doesn’t know, develop into what he has not yet become; and so it may be said that there is a higher state than that of an immobile and static peace: it is a trust total enough for one to keep the will to progress, to preserve the effort for progress while ridding it of all anxiety, all care for results and consequences. This is one step ahead of the methods which may be called “quietist”, which are founded on the rejection of all activity and a plunging into an immobility and inner silence, which forsake all life because it has been suddenly felt that without peace one can’t have any inner ealization and, quite naturally, one thought that one couldn’t have peace so long as one was living in outer conditions, in the state of anxiety in which problems are set and cannot be solved, for one does not have the knowledge to do so.
<ref>http://incarnateword.in/cwm/09/26-march-1958#p9 </ref>
==Common Errors (Obstacles in developing Will power)==
...under the control of the Divine Will, power is beneficent, while without that control it harms everyone and becomes terrible.
<ref>http://incarnateword.in/cwm/17/10-april-1933-1#p2 </ref>
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Tamas incapacitates and takes away the power to respond to divine impulse and the energy to change and the will to progress and make ourselves plastic to a greater Shakti.
<ref>http://incarnateword.in/cwsa/23/the-three-modes-of-nature#p8 </ref>
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That [the idea that one lacks will-power] is the suggestion that has been enforced on you by the physical inertia. It has covered up your will and persuaded you that there is no will left and no possibility of any will.
<ref>http://incarnateword.in/cwsa/31/vigilance-resolution-will-and-the-divine-help# </ref>
===Weakness===
There must be no little exceptions to the rule that are indulged in "just for once" but which are repeated very often—for as soon as one yields to temptation, even "just for once", one lessens the resistance of the will-power and opens the door to every failure. One must therefore forgo all weakness: no more nightly escapades from which one comes back exhausted, no more feasting and carousing which upset the normal functioning of the stomach, no more distractions, amusements and pleasures that only waste energy and leave one without the strength to do the daily practice. One must submit to the austerity of a sensible and regular life, concentrating all one's physical attention on building a body that comes as close to perfection as possible…..
<ref>http://incarnateword.in/cwm/12/the-four-austerities-and-the-four-liberations#p16 </ref>
===Opinion of Others===
… for instead of trying to make a good impression, one must first endeavour to know the impression one is actually making, in all humility, in order to profit by the lesson this gives. That is quite rare, and in fact, if one isn't too naïve, one usually attaches importance only to the opinion of those who have more experience, more knowledge and more wisdom than oneself. And so that leads us straight to one of the best methods of cure. It is precisely to come to understand that the opinion of those who are as ignorant and blind as ourselves cannot have a very great value for us from the point of view of the deeper reality and the will to progress, and so one stops attaching much importance to that. <ref>http://incarnateword.in/cwm/08/14-november-1956#p20 </ref>
===Desire Mixed with Aspiration===
And, to take an example, you can understand it in this way: if you have an aspiration, say, suddenly you think of the possibility of progress and have an aspiration for progress; but if a desire is mixed with your aspiration, you will have the desire to progress for the powers this will give you or the importance it will give you or the improvement in your living conditions. You go and immediately mix all kinds of little very personal reasons with your aspiration. And to tell the truth, very few people have a very pure aspiration. An aspiration, a will to progress, just that; it stops there. Because one aspires for progress and then, there we are, let us not go farther. We want progress. But usually there get mixed up with it all kinds of desires for the results of this progress. And so desire comes in, you see; this brings exactly what he says, a consciousness which is impure and muddy, and inside this nothing higher can come. This must be completely eliminated to begin with. If one looks at himself very sincerely, very straightforwardly and very severely, he very quickly perceives that very few things, very few movements of consciousness are free from being mixed with desires. Even in what you take for a higher movement, there is always... no, happily not always, but most often there is a desire mixed. The desire of the see of one's importance, if only this, that kind of self-satisfaction, the satisfaction of being someone superior.<ref>http://incarnateword.in/cwm/06/22-september-1954#p52 </ref>
===When Mind is the Guiding Force===
But when we take our station above the physical mind, we are able then to separate clearly the two forms of energy, the two levels of our being, disentangle their action and act with a clearer and more potent self-knowledge and an enlightened and a purer will-power. Nevertheless the control is not complete, spontaneous, sovereign so long as we work with the mind as our chief guiding and controlling force. The mental energy we find to be itself derivative, a lower and limiting power of the conscious spirit which acts only by isolated and combined seeings, imperfect and incomplete half-lights which we take for full and adequate light, and with a disparity between the idea and knowledge and the effective will-power. <ref>http://incarnateword.in/cwsa/24/the-divine-shakti#p7 </ref>
=More on Will Power =