It (the true soul) is the concealed Witness and Control, the hidden Guide, the Daemon of Socrates, the inner light or inner voice of the mystic.
We may reasonably doubt whether even a Plato or a Shankara marks the crown and therefore the end of the outflowering of the spirit in man. We are apt to suppose that these may be the limit because these and others like them seem to us the highest point which the mind and soul of man can reach but that may be the illusion of our present possibility .