योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-18, verse-23

नाकारणे कारणादि परे वस्त्वादिकारणे ।
विचारणीयः सारो हि किमसारविचारणैः ॥ २३ ॥

nākāraṇe kāraṇādi pare vastvādikāraṇe ,
vicāraṇīyaḥ sāro hi kimasāravicāraṇaiḥ 23

23. na akāraṇe kāraṇādi pare vastvādikāraṇe
vicāraṇīyaḥ sāraḥ hi kim asāravicāraṇaiḥ

23. kāraṇādi akāraṇe pare vastvādikāraṇe na
hi sāraḥ vicāraṇīyaḥ kim asāravicāraṇaiḥ

23. Regarding the Supreme, which is the uncaused and the ultimate cause of all existing things, causal principles and the like do not apply. Indeed, only the essence should be contemplated; what is the use of investigating the non-essential?

Words meanings summery:

• न (na) - not (not, no)

• अकारणे (akāraṇe) - in the uncaused reality (in the uncaused, in that which has no cause)

• कारणादि (kāraṇādi) - causal principles and the like (cause and so on, beginning with cause, causal principles)

• परे (pare) - in the supreme reality (in the supreme, in the other, in the transcendent)

• वस्त्वादिकारणे (vastvādikāraṇe) - in the ultimate cause of all things (in the ultimate cause of existing things)

• विचारणीयः (vicāraṇīyaḥ) - should be contemplated (to be considered, to be investigated, to be pondered)

• सारः (sāraḥ) - the essence (essence, core, pith, best part, substance)

• हि (hi) - indeed (indeed, surely, because, for)

• किम् (kim) - what is the use of (what, which, why)

• असारविचारणैः (asāravicāraṇaiḥ) - by investigating the non-essential (by non-essential considerations, by useless investigations)

Words meanings and morphology

न (na) - not (not, no)

(indeclinable)

अकारणे (akāraṇe) - in the uncaused reality (in the uncaused, in that which has no cause)

(noun)

Locative, neuter, singular of akāraṇa

akāraṇa - uncaused, without cause

negative compound `a` + `kāraṇa`

Compound type : nañ-tatpuruṣa (a+kāraṇa)

• a – not, non-, un-
  prefix
  negative particle
• kāraṇa – cause, reason, origin, instrument
  noun (neuter)
  from root `kṛ` + `ana` suffix
  Root: kṛ (class 8)

Note: Refers to Brahman implicitly.

कारणादि (kāraṇādi) - causal principles and the like (cause and so on, beginning with cause, causal principles)

(noun)

Nominative, neuter, singular of kāraṇādi

kāraṇādi - cause and so on, beginning with cause

compound `kāraṇa` + `ādi`

Compound type : tatpuruṣa (kāraṇa+ādi)

• kāraṇa – cause, reason, origin, instrument
  noun (neuter)
  from root `kṛ` + `ana` suffix
  Root: kṛ (class 8)
• ādi – beginning, first, and so on, etc.
  indeclinable (masculine)
  Root: ad (class 2)

परे (pare) - in the supreme reality (in the supreme, in the other, in the transcendent)

(adjective)

Locative, neuter, singular of para

para - supreme, highest, ultimate, distant, other, subsequent

Note: Refers to Brahman, understood as `param vastu`.

वस्त्वादिकारणे (vastvādikāraṇe) - in the ultimate cause of all things (in the ultimate cause of existing things)

(noun)

Locative, neuter, singular of vastvādikāraṇa

vastvādikāraṇa - the primary cause of all existing things, that which has existing things as its beginning/source

compound `vastu` + `ādi` + `kāraṇa`

Compound type : tatpuruṣa (vastu+ādi+kāraṇa)

• vastu – existing thing, object, substance, reality
  noun (neuter)
  Root: vas (class 1)
• ādi – beginning, first, and so on, etc.
  indeclinable (masculine)
  Root: ad (class 2)
• kāraṇa – cause, reason, origin, instrument
  noun (neuter)
  from root `kṛ` + `ana` suffix
  Root: kṛ (class 8)

Note: Forms a parallel locative with `akāraṇe` and `pare`.

विचारणीयः (vicāraṇīyaḥ) - should be contemplated (to be considered, to be investigated, to be pondered)

(adjective)

Nominative, masculine, singular of vicāraṇīya

vicāraṇīya - to be considered, worthy of investigation, to be analyzed

gerundive (kṛtya)

from root `car` with prefix `vi` and suffix `anīya`

Prefix: vi

Root: car (class 1)

Note: Agrees with `sāraḥ`.

सारः (sāraḥ) - the essence (essence, core, pith, best part, substance)

(noun)

Nominative, masculine, singular of sāra

sāra - essence, core, pith, substance, best part, strong part

Root: sṛ (class 1)

Note: Subject of 'should be contemplated'.

हि (hi) - indeed (indeed, surely, because, for)

(indeclinable)

particle

किम् (kim) - what is the use of (what, which, why)

(pronoun)

Nominative, neuter, singular of kim

kim - what, which, why, whether

interrogative pronoun

Note: Implies 'what is the use of'.

असारविचारणैः (asāravicāraṇaiḥ) - by investigating the non-essential (by non-essential considerations, by useless investigations)

(noun)

Instrumental, neuter, plural of asāravicāraṇa

asāravicāraṇa - non-essential investigation, consideration of the non-essential

compound `a` + `sāra` + `vicāraṇa`

Compound type : nañ-tatpuruṣa (a+sāra+vicāraṇa)

• a – not, non-, un-
  prefix
  negative particle
• sāra – essence, core, best part, substance
  noun (masculine)
  Root: sṛ (class 1)
• vicāraṇa – consideration, investigation, deliberation
  noun (neuter)
  from root `car` with prefix `vi`
  Prefix: vi
  Root: car (class 1)

Note: `kim` + instrumental indicates 'what is the use of X'.