There is a background for everything. Every movement moves upon something. And that something is a Silence which upholds everything. It is not only a general background but it is there supporting and containing every individual movement. Conceive mentally, at first, of this Silence at the back of everything, including your own mental activity. All the thoughts and mental movements come and go against a base that is ever stable. That is Silence. Suspend for a moment your thought-activity and you will become conscious of the presence of this Silence. This Silence is at the back of your head, your word, your very being. Think of this Silence again and again and try to become aware of it. By a steady digging in of this idea in your consciousness, this fact will become a reality to you — not merely for the mind but for the rest of the being also. Into this Silence you must learn to relax yourself. You cannot get it by force, what you may get by concentration does not usually last beyond the spell of that concentration. Instead of trying to get at it, simply relax, call and let yourself lie in the folds of the Silence. That will slowly come over you and claim you.
This is the first condition for an effective beginning in sadhana. There should be this calm. But know it that in its true nature it is not a mental calm which is perceived in between two thoughts or experienced when there is a suspension of thought-activity or a reduction of their momentum. It is a spiritual calm which is not dependent upon any outer circumstances and which grows into deeper and deeper intensities as one grows into the higher or deeper states of consciousness. The highest Calm is totally different from the calm conceived by the mind.