The ordinary man considers solids and liquids and the energy manifestations of the material world to be vastly different, but the yogi sees them as various vibrations of the one cosmic light.
The physical ego serves as its own worst enemy when, by delusive material behavior, it eclipses its true nature as the ever blessed soul.
The physical ego, the active consciousness in man, should uplift its body-identified self into unity with the soul, its true nature; it should not allow itself to remain mired in the lowly delusive strata of the senses and material entanglement.