This śloka gives a definition of yoga in this section. Bhagavān has been describing the mature result of meditation: the mind becomes quiet, the Self is recognized, the highest happiness is discovered, and the person is not shaken even by great sorrow. Now He names this condition: it is duḥkha-saṁyoga-viyoga.

Duḥkha-saṁyoga means association with sorrow. This does not merely mean that painful events occur. Painful events are part of embodied life. The body can become ill. People may misunderstand. Relationships may change. Wealth may come and go. Loved ones may depart. The world is unpredictable. These events may produce pain at the level of the body and mind.

But saṁyoga with duḥkha is deeper. It is the inner connection that says, “This sorrow defines me. This sorrow destroys me. I am incomplete because of this. I cannot be myself unless this situation changes.” The event is one thing; identification with the sorrow is another.

Viyoga means separation or disconnection. Therefore, yoga is described here as disconnection from the inner association with sorrow. This is a powerful expression. Usually the word yoga means joining, integration, or discipline. Here Bhagavān defines yoga as a kind of disconnection — disconnection from the false connection with sorrow.

This does not mean becoming insensitive. A wise person does not become stone-like. The body may feel pain. The mind may register grief. Compassion may arise. Tears may come. But the person does not become bound by the sorrow. The sorrow is known as an experience in the mind; it is not taken as the truth of the Self.

This is possible because the meditator has recognized the Self as fullness. If I take myself to be only the body-mind, then every condition of the body-mind becomes “me.” If the mind is sad, “I am sad.” If the body is weak, “I am broken.” If a relationship changes, “I am lost.” But if I recognize myself as the witnessing consciousness, then sorrow is experienced, but it is also known. What is known cannot be the whole truth of the knower.

Thus yoga does not always mean producing a new pleasant experience. It means gaining freedom from bondage to sorrow. External life may still include challenges, but the fundamental helplessness is broken.

Then Bhagavān adds an important instruction: saḥ yogaḥ niścayena yoktavyaḥ — this yoga must be practiced with firm conviction. Niścaya means clear conviction, certainty, and commitment. Meditation cannot be approached with casual curiosity alone: “Let me try for a few days and see if all sorrow disappears.” Such an approach will fail because the mind has long-standing habits.

One must understand the value of the goal. One must be convinced that freedom from sorrow is possible through self-knowledge and disciplined meditation. One must also be convinced that the practice requires time. Without niścaya, the seeker gives up when old patterns return.

The final phrase is anirviṇṇa-cetasā — with a mind that is not discouraged, not dejected, not despairing. This is one of the most compassionate instructions in the meditation section. Bhagavān knows that the mind will wander. Old sorrow will return. Desires will arise. Sleepiness may come. Restlessness may come. Some days meditation will feel clear; other days it will feel ordinary. Therefore, the seeker must not become discouraged.

Spiritual growth is not always dramatic. It is often quiet, gradual, and cumulative. A person may not notice change day by day, but with steady practice, reactions reduce, dependence weakens, and clarity becomes more available. If the seeker becomes frustrated every time the mind wanders, that frustration becomes another obstacle. The instruction is: continue with patience.

This verse therefore combines the highest goal and the practical attitude needed to reach it. The goal is freedom from identification with sorrow. The method is steady yoga. The attitude is conviction without discouragement.

A seeker should remember: the problem is not that the mind wanders. The problem is giving up because the mind wanders. The practice is to bring it back again and again, with clarity, patience, and trust in the teaching.