Non-duality is neither selfish nor it is indifferent way of living. It all depends on the medium through which one observes and views it. In fact our mental and intellectual condition will determine the object observed and experienced. The common man viewing his-self and the world see it differently from the Gnani [sage] viewing the same world and his -self. Each one interprets the objects he sees in terms of existing knowledge. A Gnani sees the spirit/true self/spirit everywhere and everything in experience diversity, therefore he is fully aware of the fact that there is no second thing other then the spirit, hence it is non-duality.
Until one views on the standpoint of physicality the experience pain and pleasure are reality. When one becomes aware of the fact that, the true self is not physical then the pain and pleasure or birth, life and death are mere mirage created out of true Self/spirit, which is not physical.
The one who has gained perfection is one who has acquired the self- knowledge. The self knowledge is the knowledge beyond the physicality. One who has delved into and realized the sense of infinitude when he transcended consciously all his identification with three states and become one with the witness consciousness.
