The Supramental Manifestation upon Earth

...it may well be that the evolutionary urge would proceed to a change of the organs themselves in their material working and use and diminish greatly the need of their instrumentation and even of their existence. The centres in the subtle body, suksama sarira, of which one would become conscious and aware of all going on in it would pour their energies into material nerve and plexus and tissue and radiate them through the whole material body; ... This might go so far that these organs might cease to be indispensable and even be felt as too obstructive: the central force might use them less and less and finally throw aside their use altogether. If that happened they might waste by atrophy, ... -p55