योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-91, verse-30

न सन्नासदहंरूपं सत्तासत्ते तदेव च ।
उपलम्भेन सद्रूपमसत्यं तद्विरोधतः ॥ ३० ॥

na sannāsadahaṃrūpaṃ sattāsatte tadeva ca ,
upalambhena sadrūpamasatyaṃ tadvirodhataḥ 30

30. na sat na asat ahaṃrūpam sattāsatte tat eva ca
upalambhena sadrūpam asatyam tat virodhataḥ

30. (idam tattvam) na sat,
na asat.
ahaṃrūpam (eva asti).
tat eva ca sattāsatte (api asti).
upalambhena sadrūpam (bhāti),
tat (tu) virodhataḥ asatyam (asti).

30. It is neither existent nor non-existent; it is the form of the 'I' (ahaṃrūpam). That very thing is both existence and non-existence. By means of perception, it appears as real, but due to its inherent contradiction, it is unreal.

Words meanings summery:

• न (na) - not (not, no)

• सत् (sat) - existent (in an absolute sense) (existent, real, being)

• न (na) - not (not, no)

• असत् (asat) - non-existent (in an absolute sense) (non-existent, unreal, being)

• अहंरूपम् (ahaṁrūpam) - the nature or form of the ego/self-identity (having the form of 'I', ego-nature)

• सत्तासत्ते (sattāsatte) - the dual nature of existence and non-existence (both existence and non-existence, reality and unreality)

• तत् (tat) - that (referring to the subject implied in previous phrases) (that, it)

• एव (eva) - very, truly (only, just, indeed)

• च (ca) - also, even (and, also)

• उपलम्भेन (upalambhena) - through (direct) perception (by perception, by apprehension, by obtaining)

• सद्रूपम् (sadrūpam) - appearing as real, of an existent nature (having an existent form, having a real nature)

• असत्यम् (asatyam) - unreal (due to inherent contradiction) (unreal, untrue, false)

• तत् (tat) - that (referring to the same implied subject) (that, it)

• विरोधतः (virodhataḥ) - due to its (inherent) contradiction (with ultimate truth) (from contradiction, due to opposition)

Words meanings and morphology

न (na) - not (not, no)

(indeclinable)

Negative particle.

सत् (sat) - existent (in an absolute sense) (existent, real, being)

(adjective)

Nominative, neuter, singular of sat

sat - existent, real, good, being

Present Active Participle

From root as (to be)

Root: as (class 2)

Note: Used substantively as 'that which exists'.

न (na) - not (not, no)

(indeclinable)

Negative particle.

असत् (asat) - non-existent (in an absolute sense) (non-existent, unreal, being)

(adjective)

Nominative, neuter, singular of asat

asat - non-existent, unreal, false

Compound of a (not) + sat (existent).

Compound type : nañ-tatpuruṣa (a+sat)

• a – not, non-
  indeclinable
  Negative prefix
• sat – existent, real, being
  adjective (masculine)
  Present Active Participle
  From root as (to be)
  Root: as (class 2)

Note: Used substantively as 'that which is non-existent'.

अहंरूपम् (ahaṁrūpam) - the nature or form of the ego/self-identity (having the form of 'I', ego-nature)

(noun)

Nominative, neuter, singular of ahaṃrūpa

ahaṁrūpa - having the form of 'I', ego-nature

Compound of ahaṃ (I) + rūpa (form).

Compound type : tatpuruṣa (aham+rūpa)

• aham – I, ego
  pronoun
  1st person singular pronoun
• rūpa – form, nature, appearance
  noun (neuter)

Note: Predicate nominative.

सत्तासत्ते (sattāsatte) - the dual nature of existence and non-existence (both existence and non-existence, reality and unreality)

(noun)

Nominative, neuter, dual of sattāsatta

sattāsatta - existence and non-existence, reality and unreality

Dvandva compound

Compound type : dvandva (sattā+asattā)

• sattā – existence, being, reality
  noun (feminine)
  From root as (to be)
  Root: as (class 2)
• asattā – non-existence, unreality
  noun (feminine)
  Compound of a (not) + sattā (existence)
  Prefix: a

Note: Predicate nominative for 'tat'.

तत् (tat) - that (referring to the subject implied in previous phrases) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

Note: Subject of the implied verb 'is'.

एव (eva) - very, truly (only, just, indeed)

(indeclinable)

Emphatic particle.

च (ca) - also, even (and, also)

(indeclinable)

Conjunction.

उपलम्भेन (upalambhena) - through (direct) perception (by perception, by apprehension, by obtaining)

(noun)

Instrumental, masculine, singular of upalambha

upalambha - perception, apprehension, discovery, obtaining

From upa-labh (to perceive, obtain)

Prefix: upa

Root: labh (class 1)

Note: Indicates the means.

सद्रूपम् (sadrūpam) - appearing as real, of an existent nature (having an existent form, having a real nature)

(adjective)

Nominative, neuter, singular of sadrūpa

sadrūpa - having an existent form, having a real nature

Compound of sat (existent) + rūpa (form).

Compound type : karmadhāraya (sat+rūpa)

• sat – existent, real
  adjective (masculine)
  Present Active Participle
  From root as (to be)
  Root: as (class 2)
• rūpa – form, nature, appearance
  noun (neuter)

Note: Predicate adjective for the implicit subject.

असत्यम् (asatyam) - unreal (due to inherent contradiction) (unreal, untrue, false)

(adjective)

Nominative, neuter, singular of asatya

asatya - unreal, untrue, false

Compound of a (not) + satya (true, real).

Compound type : nañ-tatpuruṣa (a+satya)

• a – not, non-
  indeclinable
  Negative prefix
• satya – true, real, truth
  adjective (neuter)

Note: Predicate adjective for the implicit subject.

तत् (tat) - that (referring to the same implied subject) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

Note: Subject for `asatyam`.

विरोधतः (virodhataḥ) - due to its (inherent) contradiction (with ultimate truth) (from contradiction, due to opposition)

(indeclinable)

Derived from vi-rudh (to obstruct, oppose) + -tas (suffix for 'from, by reason of').

Prefix: vi

Root: rudh (class 7)

Note: The -taḥ suffix indicates cause or origin, similar to an ablative.