Aham the sanskrit word which means I . The feeling of you being an independent entity observing and utilizing the nature exist in all humans . Destruction of such a feeling can be termed as death in one sense. Humans use that discretion to personalize everything in this universe . All intellectual meaningfullness is created to an extend with the deep help of this sole thinking patterm 'Aham' .  Thinking pattern of many religionists say that this thinking is to be discouraged and the best thinking way should only think of 'We' not 'I' . Humans with the earlier thinking pattern is described selfish according to such concepts . What do i gain ? How much should i pay ? What is your name ? are specific examples of how the feeling of individuality moulds us . Pondering up on this philosophy you may get to understand some things which you cannot write down on paper , which you cannot model mathematically , which you are unable to explain .