Written by , this work is a collection of essays that bridge the gap between modern physics (specifically quantum mechanics) and philosophical inquiry .
: In some spiritual traditions, it serves as a metaphor for selfless attention . The World Community for Christian Meditation (WCCM) describes it as the "searchlight of consciousness" moving off the self to perceive reality with absolute clarity. The Eye That Sees Itself
: The retina converts light into electrical signals sent via the optic nerve to the brain's visual cortex, which flips the upside-down image received by the eye. Written by , this work is a collection
: Light enters the cornea, passes through the pupil, is focused by the lens, and hits the retina. : The retina converts light into electrical signals
The phrase is often used to describe the —the idea that the instrument of observation (the eye or the mind) cannot directly observe its own nature while in the act of observing.