Ignorance-Knowledge: 23

The Nature of Knowledge: In the waking state, the nature of knowledge is bahiṣprajñaḥ (outward consciousness). This means that the Self remains conscious of external objects. All our knowledge is acquired from external things and events. Sunrise, birdsong, the taste of food—all these are part of bahiṣprajña knowledge.

The Nature of Experience: In this state, the Self is sthūlabhuk—that is, it enjoys gross objects. Gross objects refer to those sensory materials that we see with our eyes, hear with our ears, taste with our tongue, smell with our nose, and touch with our skin. Taking food, hearing sounds, seeing sights—these are all examples of gross enjoyment.

Bodily Limitation: In the waking state, the Self is conditioned by the gross body (Sthūla Śarīra). The gross body is this visible form composed of the five great elements (earth, water, fire, air, space), subject to birth, growth, change, decay, and destruction. Through this gross body, the Self gains worldly experience.

Level of Reality: In Advaita Vedanta, this reality of the waking state is known as Vyāvahārika Satya (practical truth). Practical truth is that reality which appears true for our worldly transactions. As long as we remain covered by ignorance, this world seems true. But from the absolute standpoint, it is relative and changeable. It has a definite beginning and end.

The Dream State (Taijasa): The dream state is the condition of the mental world experienced during sleep, where external senses play no role.

Sphere of Experience: The sphere of the dream state is the dream world or mental world. In this state, the Self moves about in its own mind's creation. The objects of dreams are not external but arise within the mind's inner instrument.

The Nature of Knowledge: In the dream state, the nature of knowledge is antaḥprajñaḥ—that is, consciousness of internal or mental objects. In this state, knowledge is not dependent on external senses but arises from mental modifications (thought, imagination, memory). The scenes, sounds, and feelings of dreams are all created by the Self's own mind.

The Nature of Experience: The taijasa Self is praviviktabhuk—it enjoys subtle impressions/latent tendencies. The word praviviktabhuk means "one who enjoys in isolation" or "solitary enjoyer." In this state there is no enjoyment of gross objects; rather, past experiences, unexpressed desires, unfulfilled wishes, and impressions take various forms and appear in dreams. This is free from the grossness of worldly enjoyment.

Bodily Limitation: In the dream state, the Self is conditioned by the subtle body (Sūkṣma Śarīra). The subtle body is the aggregate of seventeen components—the five sense organs, five organs of action, five vital airs (prāṇa, apāna, vyāna, udāna, samāna), and mind and intellect. This subtle body is also known as the liṅga śarīra, which travels with the Self from one birth to another and carries the fruits of actions.

Level of Reality: This reality of dreams is known as Prātibhāsika Satya (apparent truth). Apparent truth is that reality which appears true only for the moment of its own existence. When sleep breaks, the dream becomes false. This is a lower level of reality than practical truth, because its duration is even shorter and it is completely personal and subjective.

Comparative Significance of Waking and Dream States: From the perspective of Advaita Vedanta, both waking and dream states are created by avidyā or ignorance. Although the waking state is more stable than apparent truth (being practical truth), it is still not absolute truth. In the waking state we consider ourselves identified with the gross body and take the external world as ultimate truth. In the dream state we become identified with the subtle body and perceive the mental world as true.

The analysis of these two states teaches us that our sensory and mental experiences are relative and changeable. The Self is different from these limitations and is pure consciousness in nature. When we transcend the limitations of waking or dreaming and rise to the turīya state, only then can we realize the absolute truth of our Self-nature, where there is no duality of enjoyer, enjoyment, object enjoyed, knower, knowledge, or the known. This is why these two states are considered preliminary steps on the path to Self-knowledge, leading toward ultimate truth.

Analysis of Subtle Differences Between Waking and Dream: Though the differences between waking and dream states are subtle, Advaita Vedanta makes this distinction based on their levels of reality.

Difference in Limitation and Experience: The main difference lies in the nature of limitation and experience. In the waking state, vaiśvānara's limitation is the gross body, which directly interacts with the five gross elements (space, air, fire, water, earth). On the other hand, in dreams taijasa's limitation is the subtle body (which is not pañcīkṛta), and it depends only on internal consciousness or impressions.

Objects seen in waking are sense-perceptible and apparently well-organized within the framework of space-time-causality. But objects seen in dreams are entirely mind-born, where there is no relationship of place, time, or causality with objects. For example, in a dream a person might see a mountain within their body or travel a thousand miles in a short time, which completely contradicts the laws of the waking world.

Difference in Levels of Being (Satya Traya): Advaita Vedanta explains this difference more deeply through the theory called 'Three Levels of Reality'.

Vyāvahārika Satya (Practical Truth): The waking state belongs to this level. This world is the field of relative reality, subject to the law of cause and effect. For those who have not attained Brahman-knowledge, this world seems like ultimate truth. This reality can only be sublated by Brahman-knowledge.

Prātibhāsika Satya (Apparent Truth): The dream state belongs to this level. This is illusory or deceptive reality. The reality of dreams is limited to that person's mental world and is sublated by waking knowledge. For instance, upon returning to the waking state, dreams seem false. This level of reality depends on practical experience for its existence, because the content of dreams (like 'flower') is taken from the waking world.

Through this classification it is proven that the main difference between waking and dream lies not in the nature of objects or events, but in the duration of sublation or negation of experience. Apparent truth can be sublated by practical truth, so waking is relatively more real than dreams. But in final analysis, practical truth also cannot be ultimate truth without absolute knowledge, which will become clear in Gauḍapāda's argument in the following section.

The Ultimate Falsity of Waking and Dream According to Gauḍapāda Kārikā: Despite the relative differences between waking and dream states, according to Advaita doctrine, both are called false (mithyā or anirvacanīya) from the ultimate or absolute standpoint. This conclusion Gauḍapāda has established through solid reasoning in the second chapter of his Kārikā, the Vaitathya Prakaraṇa.

Establishing the Falsity of Dreams: Gauḍapāda first establishes the falsity of dreams. The smallness of the dreamer's body compared to objects seen in dreams and the experience of crossing vast countries and times within short periods proves that dream reality is mind-born and unrelated to external objects. Wise persons say that all objects seen in dreams are false (vaitathyaṁ sarvabhāvānāṁ svapna āhur manīṣiṇaḥ).

The Logic of Proving the Waking World Dream-like (Jāgrat-Svapna Sāmyam): Gauḍapāda's main argument is that although the objects of waking and dream states differ at the level of experience, both lack absolute truth.

The Logic of Contradiction (Bādha): Just as the experience of the dream state is sublated by waking knowledge, similarly the experience of the waking state dissolves at the levels of deep sleep and turīya consciousness. When one experience is contradicted or proven false by another experience, it cannot be ultimate truth. From the perspective of the ultimate knower, the experiences of waking and dream are considered completely identical in their degree of reality. Śrī Ramaṇa Maharshi says: waking is long and dream is brief; there is no other difference.

The Logic of Beginning and End (Ādi-Anta-Yukta): Gauḍapāda presents a fundamental philosophical criterion: "If any object is non-existent at the beginning and at the end, then it is non-existent in the present as well." The waking world is limited by its origin (creation) and destruction (dissolution). Since it is not eternal, it cannot be unconditioned or absolutely real. Therefore from the ultimate standpoint, both waking and dream are false or māyā.

Vivarta and Indescribability—The Nature of Brahman and World According to Advaita Vedanta: A fundamental concept of Advaita Vedanta philosophy is the distinction between Brahman's absolute existence and the world's practical existence. The main proposition of this philosophy is that Brahman alone is ultimate truth (absolute existence), and the world is Brahman's vivarta or apparent manifestation.

The Nature of Brahman—Absolute Existence: According to Advaita Vedanta, Brahman alone is absolute existence, that is, ultimate truth. Brahman is eternally pure, conscious, free by nature and of the form of existence-consciousness-bliss. Brahman is infinite, without second, without parts, and attributeless. This Brahman is beyond place, time, and cause. He is the root cause of the world, but He Himself is no effect. Brahman is not subject to any kind of change or modification. He alone is the only substantial existence, whose being is not dependent on anything else.

The Nature of the World—Practical Existence and Vivarta: Advaita Vedanta considers the world as practically existent. This means that the existence of worldly objects appears true as long as absolute knowledge does not arise. At the practical level the world is perceptible to our senses, we work within it, we experience pleasure and pain. But this world is not self-established like Brahman; its existence is different from and unequal to Brahman's existence.

Advaita Vedanta calls the world not a 'pariṇāma' (transformation) of Brahman but a 'vivarta' (apparent manifestation or illusion). Pariṇāma means when a cause changes its own nature and becomes an effect, like milk becoming curd. But Brahman Himself is not a changeable being. If we called the world a transformation of Brahman, Brahman's immutability would be destroyed, which is the fundamental basis of Advaita.

On the other hand, vivarta means when an object appears in another form while remaining unchanged, like mistaking a rope for a snake. Here the rope undergoes no real change; it seems like a snake only due to an illusion. Similarly, though Brahman remains unchanging and immutable, He appears as the world through the influence of māyā. The world is merely a false appearance superimposed upon Brahman.

The World's Indescribability and Being Neither Real nor Unreal: In Advaita Vedanta the world is called 'sadasadvilakṣaṇa' (neither real nor unreal, nor both) and 'anirvacanīya' (indescribable).