Perfect Nature is so surely the ultimate secret that… we are also told how it is the one part of mystical theosophy revealed by the Sages exclusively to their disciples and never mentioned, whether orally or in writing, outside their circle.
Corbin establishes Perfect Nature as the esoteric summit of Ishraqi theosophy, its attainment constituting the enacted drama of initiation in which inner darkness is illuminated by a pure inner light.
, The Man of Light in Iranian Sufism, 1971thesis