As you wake up each morning, hazy and disoriented, you gradually become aware of the rustling of the sheets, sense their texture and squint at the light. One aspect of your self has reassembled: the first-person observer of reality, inhabiting a human body.
As wakefulness grows, so does your sense of having a past, a personality and motivations. Your self is complete, as both witness of the world and bearer of your consciousness and identity. You.
This intuitive sense of self is an effortless and fundamental human experience. But it is nothing more than an elaborate illusion. Under scrutiny, many common-sense beliefs about selfhood begin to unravel. Some thinkers even go as far as claiming that there is no such thing as the self. (via The great illusion of the self - New Scientist)