τοιοῦτος πλανίων ἄβιος βίος → that sort of wandering is no life for a life
as opposed to visible: P. νοητός (Plato).
of the mind: use P. and V. τοῦ νοῦ, τῆς ψυχῆς.
διανοητικός, ἐννοητός, αἰσθητήριον, ἐννοηματικός