Sri Aurobindo
Letters of Sri Aurobindo
Volume III - Part 4
Fragment ID: 13219
(1) Freedom from cares, lightness of mind and body are very good results. They do not usually become permanent at once – it is sufficient if they are frequently or ordinarily there.
(2) Chest and head rising higher are sensations of the subtle body – it means that the mind and heart consciousness (thinking mental and emotional) are rising to meet the spiritual consciousness plane above the head.
(3) The sound is a sign of the opening of the consciousness and of the working of the inner Force. Such subtle sounds are very frequently heard by those who practise Yoga.