There is a Soul inside of your soul.
Search for it.
There is a jewel in the mountain of your flesh.
Look for the mine, the source of that jewel.
O one who walks on the path to God,
if that is what you are searching for,
you will find it only inside of yourself.
The Rubaiyat of Rumi, The Ergin Translations, Volume 3, rubai 1172, page 132.