For some time now I've been thinking about spiritual reality.  Here are some of the ideas I've come across.   Note: I'm not promoting any religious beliefs.  I'm just trying to understand.      Hardware :   The body is expendable.  If I lose a limb I'm still me.  The same with a kidney or heart transplant.  Someday the technology may exist to allow a complete body transplant into a younger body or a cloned body; maybe even a mechanical android body.  But I will still be me riding the body like I drive a car.          Software :   The mind also is not really me.  It's a set of instructions on how I operate my body, learn something new, solve problems.  I can observe this when I watch myself in a quiet situation like meditation.  The thoughts come and go on their own.     Self-Awareness :   Beyond the hardware of the body and the software of the mind is consciousness and consciousness of being conscious and s...