If one have the feeling of ‘me’ and ‘mine’ became very strong in him, the central  point being the sense of ‘I.’ A man is  grieved when he categorizes some objects or persons as his own and some others  as not his own. This sense of mine and not-mine - attachment for things  considered as one’s own and indifference for things considered as not one’s own  - is called ego which is the source of all grief, worry, fear and confusion.  Rediscovering oneself to be really higher than one’s ego is the end of all  sorrows arising out of false identification or relationship. A wise man does not have the sense of  ‘I’, ‘me’ and ‘mine’. Such a man is not bound by any tie or attachment of any  kind.