The Importance of Concentration
Concentration is a focusing of the mind. And this focusing of the mind requires a focusing, or bringing to a center, of the Will. The mind is concentrated because the Will is focused upon the object. The mind flows into the mould made by the Will. The above exercises are designed not only to accustom the mind to the obedience and direction of the Will, but also tend to accustom the Will to command. Read more »
Attention, concentration, Determination, focusing mind, Will 
