Hinduism... gave itself no name, because it set itself no sectarian limits; it claimed no universal adhesion, asserted no sole infallible dogma, set up no single narrow path or gate of salvation; it was less a creed or cult than a continuously enlarging tradition of the Godward endeavour of the human spirit. An immense many-sided many-staged provision for a spiritual self-building and self-finding, it had some right to speak of itself by the only name it knew, the eternal religion, Sanatana Dharma.
The navel region is the centre of the vital. It is from here that the movements of the vital rise upward. Above the navel and behind the chest is the centre of the play of emotions and below this takes place the play of the physical. Mulādhāra is the base of the physical. In between the Mulādhāra and the navel, there is another centre of the vital.
But what after all, behind appearances, is this seeming mystery? We can see that it is the Consciousness which had lost itself returning again to itself, emerging out of its giant self-forgetfulness, slowly, painfully, as a Life that is would be sentient, half-sentient, dimly sentient, wholly sentient and finally struggles to be more than sentient, to be again divinely selfconscious, free, infinite, immortal.
A quiet mind does not mean that there will be no thoughts or mental movements at all, but that these will be on the surface, and you will feel your true being within, separate from them, observing but not carried away
The yogin becomes aware in part of the action of the supramental power organizing the lower vehicle (ādhāra). A part of it remains behind the veil and prepares itself.