Thought is the highest expression of prana. Its expression is three-fold. Unconscious, Conscious and Super Conscious
The Universal Mind
“He who knows the sources and power of Life, the Prana, how it enters, where it lives, how it divides itself into five, how it is related to the Self, attains immortality; yes attains immortality”
Prana as a whole is composed of five Pranas (prana, udana, vyana, samana, apana.