योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-68, verse-21

आकाशं नैव चाकाशं सर्वमस्ति च नास्ति च ।
इति चित्तं समं शान्तं यत्तन्मौनं सुषुप्तवत् ॥ २१ ॥

ākāśaṃ naiva cākāśaṃ sarvamasti ca nāsti ca ,
iti cittaṃ samaṃ śāntaṃ yattanmaunaṃ suṣuptavat 21

21. ākāśam na eva ca ākāśam sarvam asti ca na asti ca
iti cittam samam śāntam yat tat maunam suṣuptavat

21. yat cittam ākāśam na eva ca ākāśam,
sarvam ca asti ca na asti ca iti samam śāntam,
tat maunam suṣuptavat (ucyate).

21. That mind (cittam) which is balanced and peaceful, perceiving reality as 'space and not-space,' and 'everything both existing and not existing'—that state is profound silence (maunam), resembling deep sleep.

Words meanings summery:

• आकाशम् (ākāśam) - the fundamental element of space, or the concept of spatial existence (space, ether, sky)

• न (na) - not, no

• एव (eva) - alone, only, indeed, certainly

• च (ca) - and, also

• आकाशम् (ākāśam) - space, ether, sky

• सर्वम् (sarvam) - all, everything, the whole

• अस्ति (asti) - is, exists

• च (ca) - and, also

• न (na) - not, no

• अस्ति (asti) - is, exists

• च (ca) - and, also

• इति (iti) - thus, in this way, indicating direct quote or manner

• चित्तम् (cittam) - the mental faculty, the individual mind (mind, consciousness, thought)

• समम् (samam) - equal, even, balanced, tranquil, same

• शान्तम् (śāntam) - peaceful, calm, quiescent, appeased

• यत् (yat) - which, that (relative pronoun)

• तत् (tat) - that, this (demonstrative pronoun)

• मौनम् (maunam) - profound spiritual silence, state of cessation of mental activity (silence, quietude, quiet contemplation)

• सुषुप्तवत् (suṣuptavat) - like deep sleep, similar to deep sleep

Words meanings and morphology

आकाशम् (ākāśam) - the fundamental element of space, or the concept of spatial existence (space, ether, sky)

(noun)

Nominative, neuter, singular of ākāśa

ākāśa - space, ether, sky, vacuity

From ā-kāś (to shine upon, to appear).

Prefix: ā

Root: kāś (class 1)

Note: Represents the concept of space.

न (na) - not, no

(indeclinable)

Negation particle.

एव (eva) - alone, only, indeed, certainly

(indeclinable)

Emphatic particle.

च (ca) - and, also

(indeclinable)

Conjunction.

आकाशम् (ākāśam) - space, ether, sky

(noun)

Nominative, neuter, singular of ākāśa

ākāśa - space, ether, sky, vacuity

From ā-kāś (to shine upon, to appear).

Prefix: ā

Root: kāś (class 1)

Note: Predicate nominative.

सर्वम् (sarvam) - all, everything, the whole

(pronoun)

Nominative, neuter, singular of sarva

sarva - all, every, whole, entire

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present (laṭ) of as

Present Indicative

From root as (to be).

Root: as (class 2)

च (ca) - and, also

(indeclinable)

Conjunction.

न (na) - not, no

(indeclinable)

Negation particle.

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present (laṭ) of as

Present Indicative

From root as (to be).

Root: as (class 2)

च (ca) - and, also

(indeclinable)

Conjunction.

इति (iti) - thus, in this way, indicating direct quote or manner

(indeclinable)

चित्तम् (cittam) - the mental faculty, the individual mind (mind, consciousness, thought)

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, consciousness, intellect

From root cit (to perceive, think).

Root: cit (class 1)

समम् (samam) - equal, even, balanced, tranquil, same

(adjective)

Nominative, neuter, singular of sama

sama - equal, same, uniform, level, tranquil

शान्तम् (śāntam) - peaceful, calm, quiescent, appeased

(adjective)

Nominative, neuter, singular of śānta

śānta - peaceful, calm, tranquil, appeased, extinct

Past Passive Participle

From root śam (to be calm, to cease).

Root: śam (class 4)

यत् (yat) - which, that (relative pronoun)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that

Relative pronoun stem.

तत् (tat) - that, this (demonstrative pronoun)

(pronoun)

Nominative, neuter, singular of tad

tad - that, this, he, she, it

Demonstrative pronoun stem.

मौनम् (maunam) - profound spiritual silence, state of cessation of mental activity (silence, quietude, quiet contemplation)

(noun)

Nominative, neuter, singular of mauna

mauna - silence, quiet, quietude, ascetic silence

From muni (sage, ascetic).

Root: man (class 4)

सुषुप्तवत् (suṣuptavat) - like deep sleep, similar to deep sleep

(indeclinable)

From suṣupta (deep sleep) + -vat (like, similar to).