योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-5, verse-33

सुखदुःखानुभावित्वमात्मनीत्यवबुध्यते ।
असत्यमेव गगने बिन्दुताम्लानते यथा ॥ ३३ ॥

sukhaduḥkhānubhāvitvamātmanītyavabudhyate ,
asatyameva gagane bindutāmlānate yathā 33

33. sukhaduḥkhānubhāvitvam ātmani iti avabudhyate
asatyam eva gagane bindutāmlānate yathā

33. ātmani sukhaduḥkhānubhāvitvam iti avabudhyate
asatyam eva yathā gagane bindutāmlānate

33. The notion that the Self (ātman) is the experiencer of pleasure and pain is perceived (by some), but this is indeed false, just like the appearance of spots and dimness in the sky.

Words meanings summery:

• सुखदुःखानुभावित्वम् (sukhaduḥkhānubhāvitvam) - the state of experiencing pleasure and pain

• आत्मनि (ātmani) - in the Self, in the soul

• इति (iti) - introducing an indirect statement or thought (thus, so, that)

• अवबुध्यते (avabudhyate) - is perceived, is understood, is known

• असत्यम् (asatyam) - untrue, false

• एव (eva) - only, just, indeed

• गगने (gagane) - in the sky

• बिन्दुताम्लानते (bindutāmlānate) - spots and dimness, state of being dots and dimness

• यथा (yathā) - just as, as

Words meanings and morphology

सुखदुःखानुभावित्वम् (sukhaduḥkhānubhāvitvam) - the state of experiencing pleasure and pain

(noun)

Nominative, neuter, singular of sukhaduḥkhānubhāvitva

sukhaduḥkhānubhāvitva - the state or quality of experiencing pleasure and pain

Compound of sukha-duḥkha (pleasure-pain), anubhāvin (experiencer), and -tva (suffix for state/quality)

Compound type : tatpuruṣa (sukha+duḥkha+anubhāvin+tva)

• sukha – pleasure, happiness, ease
  noun (neuter)
• duḥkha – pain, suffering, misery
  noun (neuter)
• anubhāvin – experiencer, one who feels or perceives
  adjective (masculine)
  Agent noun/adjective
  From root bhū with prefix anu
  Prefix: anu
  Root: bhū (class 1)
• tva – suffix denoting state, nature, quality, 'ness'
  suffix (neuter)

आत्मनि (ātmani) - in the Self, in the soul

(noun)

Locative, masculine, singular of ātman

ātman - the Self, soul, spirit, essence

Root: an (class 2)

इति (iti) - introducing an indirect statement or thought (thus, so, that)

(indeclinable)

अवबुध्यते (avabudhyate) - is perceived, is understood, is known

(verb)

3rd person , singular, passive, present (lat) of avabudh

Prefix: ava

Root: budh (class 4)

असत्यम् (asatyam) - untrue, false

(adjective)

Nominative, neuter, singular of asatya

asatya - untrue, false, unreal, non-existent

From a (negation) + satya (true)

Compound type : nañ-tatpuruṣa (a+satya)

• a – not, non-
  prefix
• satya – true, real, existent
  adjective (neuter)

एव (eva) - only, just, indeed

(indeclinable)

गगने (gagane) - in the sky

(noun)

Locative, neuter, singular of gagana

gagana - sky, atmosphere, heaven

Root: gam (class 1)

बिन्दुताम्लानते (bindutāmlānate) - spots and dimness, state of being dots and dimness

(noun)

Nominative, feminine, dual of bindutāmlānatā

bindutāmlānatā - the state of being dots and dimness

Dvandva compound of bindutā (state of being a dot) and amlānatā (state of dimness)

Compound type : dvandva (bindutā+amlānatā)

• bindutā – state of being a dot, dottiness
  noun (feminine)
  From bindu (dot) + tā (suffix for state/quality)
• amlānatā – state of not fading, freshness, brightness (here contextually refers to dimness/dark spots appearing)
  noun (feminine)
  From a (negation) + mlāna (faded) + tā (suffix for state/quality)

यथा (yathā) - just as, as

(indeclinable)