Thoughts, like dreams, are of several sources, and are assessed by monitoring neuronal activity: https://www.digitaltrends.com/cool-tech/scientists-develop-brain-decoder-can-hear-inner-thoughts/ Neuronal activity may occur as soul, mind, processes Mind of God Ideas: http://quantum-mind.co.uk/theories/henry-stapp/
Awareness meditation (Vipassana), "peace, be still, and know that I Am God," "know thyself as God," and lucidity training ( https://www.sciencedaily.com/releases/2015/01/150123135112.htm ) are various methods or orientations.
Related: "The Path of the Higher Self;"
"Light Is a Living Spirit;"
"Watch Your Dreams;"
"The Master of Lucid Dreams."