dark in itself,
making everything shine.
Unperceived, it causes perception.
Unfelt, it causes feeling.
Unthinkable, it causes thought.
Non-being, it gives birth to being.
It is the immovable background of motion.
Once you are there,
you are at home everywhere.
–Nisargadatta Maharaj
http://peacefullpresence.blogspot.com/2014/11/itself.html