यदाऽत्मविद्यासंकोचस्तदाऽविद्या भयंकरम्।
नामरूपात्मनाऽत्यर्थ विभातीह पिशाचवत् || ७ ||
When Self-knowledge is shut out then there is non-knowledge, fearful
In the nature of name and form excessive, looming forth here like a ghost.
Commentary
The world of name and form which looms forth is directly associated with human conception and perception. The mind manufactures structures thinking true reality is represented, but as Narayana Guru declares, this is only "excessive name and form." The Gautama Sutra (IV. 50) states: "This is not real which is created by the mind."
The conceptual structures created by the mind are a form of relative knowledge, leading to spiritual fog as the Isavasya Upanishad (verse 9) declares: "Into blind darkness they enter who idolize non-knowledge; then into a greater darkness (go) those indeed who delight in knowledge." This is a warning not to get mentally entangled in the conceptual structures thrown out by the mind. Chapter Four, verse 4 of the Yoga Sutra states: "The structured mind-stuff is comprised of egotism." Vyasa in his commentary on this verse declares: "The mind-stuff when comprised of egotism gives rise to the causes which makes for the structured mind-stuff becoming enclosed with mentality."
The Kurma Purana says, "You are Supreme Sakti, infinite, a supreme ruler, without differences, and the destroyer of all differences." The Self-Absolute is beyond differences being the one Reality, as the Mundaka Upanishad (III. 2.8) declares: "Then the knower, freed from name and form, goes to the Numinous Person, higher than the high."