योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-23, verse-46

अप्राप्तचिन्ताः संप्राप्तसमुपेक्षाश्च सन्मतिम् ।
न कम्पयन्ति तरलाः पिच्छाघाता इवाचलम् ॥ ४६ ॥

aprāptacintāḥ saṃprāptasamupekṣāśca sanmatim ,
na kampayanti taralāḥ picchāghātā ivācalam 46

46. aprāpta-cintāḥ samprāpta-samupekṣāḥ ca sanmatim
na kampayanti taralāḥ piccha-āghātāḥ iva acalam

46. taralāḥ piccha-āghātāḥ iva aprāpta-cintāḥ
samprāpta-samupekṣāḥ ca sanmatim acalam na kampayanti

46. Fickle thoughts or desires do not perturb a person of sound understanding (sanmati)—one who is free from anxiety about what has not been attained and indifferent to what has been attained—just as feather strokes do not shake a mountain.

Words meanings summery:

• अप्राप्त-चिन्ताः (aprāpta-cintāḥ) - having no anxiety about the unobtained; one whose thoughts are not on what is unobtained

• सम्प्राप्त-समुपेक्षाः (samprāpta-samupekṣāḥ) - indifferent to what has been obtained; having no disregard for what is obtained

• च (ca) - and, also

• सन्मतिम् (sanmatim) - a person of sound mind/understanding, good understanding

• न (na) - not

• कम्पयन्ति (kampayanti) - they shake, they cause to tremble

• तरलाः (taralāḥ) - fickle, tremulous, unsteady things/beings

• पिच्छ-आघाताः (piccha-āghātāḥ) - strokes of feathers

• इव (iva) - like, as, as if

• अचलम् (acalam) - a mountain; immovable

Words meanings and morphology

अप्राप्त-चिन्ताः (aprāpta-cintāḥ) - having no anxiety about the unobtained; one whose thoughts are not on what is unobtained

(adjective)

Nominative, masculine, plural of aprāptacintā

aprāptacintā - one whose thoughts are not on what is unobtained, having no anxiety about the unobtained

Compound type : Bahuvrīhi (a-prāpta+cintā)

• a-prāpta – not obtained, not reached
  adjective
  Past Passive Participle
  Derived from root `āp` (to obtain, reach) with prefix `pra`, and negative particle `a`.
  Prefix: pra
  Root: āp (class 5)
• cintā – thought, anxiety, care, reflection
  noun (feminine)
  Root: cit

Note: Describes the qualities of the implicit 'persons' or the 'sanmati'.

सम्प्राप्त-समुपेक्षाः (samprāpta-samupekṣāḥ) - indifferent to what has been obtained; having no disregard for what is obtained

(adjective)

Nominative, masculine, plural of samprāptasamupekṣā

samprāptasamupekṣā - indifference to what has been obtained, disregarding what has been obtained

Compound type : Bahuvrīhi (samprāpta+samupekṣā)

• samprāpta – well-obtained, completely obtained, acquired
  adjective
  Past Passive Participle
  Derived from root `āp` (to obtain, reach) with prefixes `sam` and `pra`.
  Prefixes: sam+pra
  Root: āp (class 5)
• samupekṣā – indifference, disregard, neglect
  noun (feminine)
  From `sam-upa-īkṣ` (to disregard).
  Prefixes: sam+upa
  Root: īkṣ (class 1)

Note: Describes the qualities of the implicit 'persons' or the 'sanmati'.

च (ca) - and, also

(indeclinable)

सन्मतिम् (sanmatim) - a person of sound mind/understanding, good understanding

(noun)

Accusative, masculine, singular of sanmati

sanmati - good understanding, sound mind, right opinion

From `sat` (good, true) and `mati` (mind, understanding).

Compound type : Karmadhāraya (sat+mati)

• sat – good, true, existent, real
  adjective
  Present Active Participle
  Present participle of `as` (to be).
  Root: as (class 2)
• mati – mind, understanding, thought, intention
  noun (feminine)
  Derived from root `man` (to think).
  Root: man (class 4)

Note: Object of `kampayanti`.

न (na) - not

(indeclinable)

कम्पयन्ति (kampayanti) - they shake, they cause to tremble

(verb)

3rd person , plural, active, present (laṭ) of kamp

causative present active

Causative stem `kampay` from root `kamp`.

Root: kamp (class 1)

Note: The subjects are `taralāḥ` and `piccha-āghātāḥ`.

तरलाः (taralāḥ) - fickle, tremulous, unsteady things/beings

(adjective)

Nominative, masculine, plural of tarala

tarala - trembling, shaking, fickle, unsteady, restless

Root: tṛ

Note: Subject of `kampayanti`.

पिच्छ-आघाताः (piccha-āghātāḥ) - strokes of feathers

(noun)

Nominative, masculine, plural of picchāghāta

picchāghāta - a stroke or blow from a feather

Compound type : Genitive Tatpurusha (piccha+āghāta)

• piccha – feather, tail-feather, peacock's tail
  noun (neuter)
• āghāta – stroke, blow, impact
  noun (masculine)
  From `ā-han` (to strike).
  Prefix: ā
  Root: han (class 2)

Note: Subject of `kampayanti` in the simile.

इव (iva) - like, as, as if

(indeclinable)

अचलम् (acalam) - a mountain; immovable

(noun)

Accusative, masculine, singular of acala

acala - immovable, steady, mountain

`a` (not) + `cala` (moving).

Compound type : Nañ-Tatpurusha (a+cala)

• a – not, un-
  indeclinable
  Negative particle.
• cala – moving, unsteady, fickle
  adjective (masculine)
  From root `cal` (to move).
  Root: cal (class 1)

Note: Object of implied `kampayanti` in the simile.