A Discussion on Manas and Vijnana

Jueyu: Is the one that is perceived by me (consciousness) as capable of thinking, reflecting, speaking, and acting the manas (mental faculty)?

Lantian: Thinking, reflecting, speaking, and acting are all functions of consciousness. Relative to consciousness, manas serves as an initiator, representing the thoughts that arise in our minds. As thoughts continuously flash through our minds, consciousness begins to pursue them—either executing them, fantasizing, analyzing, or reminiscing. Without the grasping of manas, it is difficult for independent consciousness (mano-vijñāna) to arise. When the five sense faculties contact the five sense objects, only the five-sense-consciousness arises to fulfill consciousness's function of discerning mental objects (dharmas).

The functions of consciousness primarily include reception, discernment, discrimination, reasoning, imagination, etc., and it cooperates with manas to carry out physical, verbal, and mental actions. My personal understanding: The five-sense-consciousness can accomplish sensation and discernment; at this stage, independent consciousness is not required. However, when complex mental activities such as discrimination, reasoning, imagination, summarization, and induction are needed, independent consciousness arises to perform these tasks. Therefore, human life activities require the coordinated cooperation of the five-sense-consciousness and independent consciousness.

Master's Comment: Lantian speaks very well, with great depth and accuracy. The difference between independent consciousness and five-sense-consciousness is that independent consciousness can operate apart from the five sense consciousnesses; it does not require them, yet it engages in separate activities based on the discernment performed by the five sense consciousnesses and the five-sense-consciousness.

Ruchun: "Capable" (neng) implies ability, energy, and function. The differences in the "capabilities" of the first six consciousnesses stem from the strength or weakness of manas's energy and the level of wisdom; functional differences originate from variations in karmic seeds. Consciousness and manas are like a flower and its root. We can see the flower's color and shape, smell its fragrance, but cannot see the root. Yet without the root, this flower would not exist. Similarly: Without the energy and nourishment provided by manas, consciousness would not exist. The capacity to think, reflect, speak, and act—how one thinks, reflects, speaks, and acts—should all be the external manifestation of manas's energy and wisdom. However, what kind of flower it is—whether a peony or a herbaceous peony, whether it has medicinal value—should be determined by the karmic seeds.

Master's Comment: How wise Ruchun's words are! Since when did you become such a different person? There are eight consciousnesses that consciousness can observe and cognize. Before enlightenment, it can observe the first five consciousnesses and itself (consciousness). Those who have studied manas and possess good observational skills may barely manage to observe a little of manas. Therefore, what consciousness perceives as capable of thinking and reflecting might be consciousness itself, or it might be manas. What consciousness perceives as capable of speaking and acting must be consciousness itself, called the self-witnessing portion (svasaṃvedana) of consciousness.

Ruchun: I am ashamed, entirely indebted to the Master's Dharma grace and protection.

Jueyu: The phenomenon of "emergency avoidance" demonstrates that manas can act. The experience of "sudden clarity upon waking" demonstrates that manas can think and reflect. "Speaking without thinking" demonstrates that manas can speak. During inner conflict, two "selves" fight and converse; one is consciousness, the other is manas. In this process, the active, assertive one with a strong sense of "self" is consciousness, while the other is manas.

Master's Comment: Like many others, Jueyu has reversed and confused the functions of consciousness and manas. The reason is a complete lack of observational power regarding manas and no understanding of manas's functional nature.

Lantian: Clearly, this "self" is manas. Consciousness merely makes choices based on the influence of the external environment. If there were no surrounding factors, our behavior might fully align with our inner thoughts. Manas takes the functional role of consciousness as its own function. The thoughts flashing in the mind should be manas's way of communicating with consciousness, meaning manas directs consciousness towards the direction of thought and decision-making.

Master's Comment: Lantian's understanding and observation of the nature of manas and consciousness are very detailed, accurate, and demonstrate excellent wisdom.

Rutao: The combined entity of the ālaya-vijñāna (storehouse consciousness) and manas acts like a starter mechanism. When manas presses the button, dharmas manifest, then transmit to consciousness, enabling consciousness to perform further discernment and processing, thus granting consciousness its capabilities. The "capability" (neng) of thinking, reflecting, speaking, and acting that the senior mentioned indeed originates from the initiation by manas. Manas's capability comes first; consciousness's capability follows. When a person lacks meditative concentration (dhyāna), with a coarse and superficial mind, the perceived capability of the mind primarily belongs to consciousness. Manas's capability is profound and subtle; a scattered, dull, and obscured consciousness cannot perceive it, or even if perceived, cannot recognize it. Only when a person possesses sufficient meditative concentration, with consciousness clear, alert, and wise, does one gain acute and subtle perceptive power, enabling the discernment of the respective roles played by manas's capability and consciousness's capability.

When we have not yet cultivated the wisdom of consciousness-only (vijñapti-mātra) and remain within the scope of ordinary beings, it is indeed impossible to have precise feelings and cognition regarding such a profound dharma as manas. Those who cultivate relatively well may have vague cognitive experiences or faint intuitions, which are already quite rare.

Manas has strong self-grasping (ātma-grāha). When sudden events occur, manas bypasses consciousness and instantly gives rise to intense self-protective thoughts. For example, upon touching one's pocket and discovering a phone or wallet is missing, one can be certain that the sudden thought of tension arises from manas. I believe that the instantaneous, unquestioning reactions arising in people during emergencies are the best moments to catch the thoughts of manas, because at such times consciousness has no time to react; all mental activity comes directly from the master, manas.

Jiren Tianxiang: Exactly. Actions are completed before thoughts can even flash; transformation cannot complete in time. The body is like a robot; consciousness is like the robot's CPU, the processing center. It appears to have various activities and creations, but everything is done to fulfill the background instructions of the operator. These background instructions are hidden and cannot be detected on the surface. When thoughts flash in the mind, the instructions have already changed format, manifesting as part of consciousness. Without this transformation, different types of sentient beings should be able to communicate without obstacles.

Lantian: Completing actions before thoughts flash indicates that manas does not need to communicate with consciousness at that moment; it directly completes the action. This precisely demonstrates that human behavior is driven by manas, requiring only the assistance of the five-sense-consciousness for discernment and completion.

Jiren Tianxiang: Precisely, confirming consciousness's role as a tool. Consciousness is usually full of plans, intentions, thoughts, studies—seemingly like a CEO. But upon final verification, it is merely a secretary at best.

Rutao: Sometimes, when a person has something on their mind, they feel inexplicably irritable and uneasy without knowing the reason. This is probably because consciousness and manas lack communication; consciousness may not even understand why manas can give rise to irritability and unease. The one capable of generating these emotions is manas's capability, while consciousness remains in the dark.