Chapter 8 · Shloka 18— The Yoga of the Imperishable Brahman

avyaktād vyaktayaḥ sarvāḥ prabhavantyahar-āgame rātryāgame pralīyante tatraivāvyakta-sanjñake

avyaktāt

— from the unmanifested

vyaktayaḥ

— the manifested

sarvāḥ

— all

prabhavanti

— emanate

ahaḥ-āgame

— at the advent of Brahma’s day

rātri-āgame

— at the fall of Brahma’s night

pralīyante

— they dissolve

tatra

— into that

eva

— certainly

avyakta-sanjñake

— in that which is called the unmanifest

"Avyaktad vyaktayah sarvah prabhavanty ahar-agame, ratry-agame praliyante tatraivavyakta-samjnake." — At the coming of (Brahma's) day, all manifestations arise from the unmanifest; at the coming of night, they dissolve back into that same unmanifest. Krishna describes the great rhythm of cosmic manifestation and dissolution, using the cosmic day and night introduced in 8.17. 'Avyaktad vyaktayah sarvah prabhavanti ahar-agame' — at the dawn of Brahma's day (ahar-agame), all manifest beings and forms (vyaktayah) arise (prabhavanti) from the 'avyakta,' the unmanifest. 'Ratry-agame praliyante tatra eva avyakta-samjnake' — at the coming of night (ratry-agame), they dissolve (praliyante) back into that very same unmanifest (avyakta). Shankaracharya explains this cosmic rhythm: the entire manifest universe periodically emerges from an unmanifest, potential state at the beginning of a cosmic day, exists for the vast duration of that day, and then withdraws back into the unmanifest at the onset of the cosmic night. This is the great breathing of the cosmos — manifestation and dissolution, emergence and withdrawal, repeating in immense cycles. This verse reveals the fundamentally cyclical, rhythmic nature of all manifest existence. Nothing in the manifest world is permanent; everything participates in this vast rhythm of arising and dissolving. Even the entire universe is not exempt — it too emerges and withdraws in the cosmic cycle. The teaching reinforces the impermanence theme (8.15) at the grandest scale: not just individual lives but entire cosmic cycles arise and pass. This cyclic emergence-and-dissolution is the very structure of the manifest order. Understanding this helps one stop seeking permanence within the impermanent and turn toward the unmanifest source — and when it comes to it, the Supreme beyond even that.

Krishna describes the cosmos itself as breathing — manifestation arising from the unmanifest, existing, then dissolving back, in immense repeating cycles. Even the entire universe isn't exempt from the rhythm of arising and passing away. There's deep peace available in recognizing this universal pattern: everything that appears eventually dissolves back into its source, and this isn't a tragedy — it's the fundamental rhythm of existence. Modern cosmology echoes it: stars form and die, galaxies emerge and will eventually fade. The pattern of emergence and dissolution runs through everything, from a breath to a universe. When you stop fighting this rhythm — stop demanding that things only arise and never dissolve — a profound acceptance becomes possible. The endings aren't failures or accidents; they're part of the breathing of reality itself. Everything that comes returns to its source. That's not loss; it's the nature of things.

Krishna describes the cosmos itself as breathing — manifestation arising from the unmanifest, existing, then dissolving back, in immense repeating cycles. Even the entire universe isn't exempt from the rhythm of arising and passing away. There's deep peace available in recognizing this universal pattern: everything that appears eventually dissolves back into its source, and that's not a tragedy — it's the fundamental rhythm of existence. Modern cosmology echoes it exactly: stars form and die, galaxies emerge and will eventually fade out. The pattern of emergence-and-dissolution runs through everything, from a single breath to an entire universe. When you stop fighting this rhythm — stop demanding things only arise and never dissolve — a profound acceptance opens up. The endings aren't failures or accidents; they're part of the breathing of reality itself. Everything that comes returns to its source. That's not loss. That's just the nature of things.

Krishna describes how the whole universe works in a big rhythm, like breathing in and out! When Brahma's 'day' begins, everything appears and comes alive out of an invisible, hidden state. When his 'night' comes, everything gently goes back into that same hidden state to rest. Then it all begins again! It's like how flowers bloom in spring and rest in winter, over and over. Everything that appears eventually returns to where it came from — and that's not sad, it's just the beautiful rhythm of the whole universe. Things come, things go, in a peaceful, natural cycle!