I am that I am." Whereas Prakriti is composed of an infinite number of
differentiations of itself. In the universe, therefore, the only
principle which is indifferentiable is this "I am that I am" and the
manifold modes of manifestation can only exist in reference to it. The
eternal ignorance consists in this, that as there is but one
substantive, but numberless adjectives, each adjective is capable of
designating the All. Viewed in time the most permanent object or mood
of the great knower at any moment represents the knower, and in a sense
binds it with limitations. In fact, time itself is one of these infinite
moods, and so is space. The only progress in Nature is the realization
of moods unrealized before.
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Q. What is impermanent?

A. That which does not exist in one and the same state in the three
divisions of time [namely, present, past and future.]

Q. What is inanimate (jada)?

A. That which cannot distinguish between the objects of its own
cognition and the objects of the cognition of others....

Q. What are the three states (mentioned above as those of which the
Spirit is witness)?

A. Wakefulness (jagrata), dreaming (svapna), and the state of dreamless
slumber (sushupti).

Q. What is the state of wakefulness?

A. That in which objects are known through the avenue of [physical]
senses.

Q. Of dreaming?

A. That in which objects are perceived by reason of desires resulting
from impressions produced during wakefulness.

Q. What is the state of dreamless slumber?

A. That in which there is an utter absence of the perception of
objects.

The indwelling of the notion of "I" in the gross body during wakefulness
is visva (world of objects),* in subtile body during dreaming is taijas
(magnetic fire), and in the causal body during dreamless slumber is
prajna (One Life).

Q. What are the five sheaths?

A. Annamaya, Pranamaya, Manomaya, Vjjnanamaya, and Anandamaya.

Annamaya is related to anna** (food), Pranamaya of prana (life),
Manomaya of manas, Vijnanamaya of vijnana (finite perception),
Anandamaya of ananda (illusive bliss).

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* That is to say, by mistaking the gross body for self, the
consciousness of external objects is produced.

** This word also means the earth in Sanskrit.
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Q. What is the Annamaya sheath?

A. The gross body.

Q. Why?

A. The food eaten by father and mother is transformed into semen and
blood, the combination of w