योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-73, verse-8

संपूर्णशान्तमनसः परितृप्तवृत्तेर्नित्यं समे सुखमयात्मनि तिष्ठतोऽन्तः ।
सिद्ध्यन्ति दुर्लभतरा अपि वाञ्छितार्था गङ्गावतार इव सागरखातवस्तु ॥ ८ ॥

saṃpūrṇaśāntamanasaḥ paritṛptavṛtternityaṃ same sukhamayātmani tiṣṭhato'ntaḥ ,
siddhyanti durlabhatarā api vāñchitārthā gaṅgāvatāra iva sāgarakhātavastu 8

8. sampūrṇaśāntamanasaḥ paritṛptavṛtteḥ
nityam same sukhamayātmani tiṣṭhataḥ
antaḥ siddhyanti durlabhatarā api
vāñchitārthāḥ gaṅgāvatāraḥ iva sāgarakhātavastu

8. sampūrṇaśāntamanasaḥ paritṛptavṛtteḥ
nityam sukhamayātmani same tiṣṭhataḥ
antaḥ durlabhatarā api vāñchitārthāḥ
gaṅgāvatāraḥ iva sāgarakhātavastu siddhyanti

8. For one whose mind (manas) is completely peaceful, whose disposition is utterly contented, and who always dwells within the self (ātman) that is inherently blissful and unperturbed, even the most challenging desired goals (vāñchitārtha) are achieved. This is comparable to the descent of the Ganges, which filled the basin excavated by Sagara.

Words meanings summery:

• सम्पूर्णशान्तमनसः (sampūrṇaśāntamanasaḥ) - of one whose mind is completely peaceful, of one with a perfectly calm mind

• परितृप्तवृत्तेः (paritṛptavṛtteḥ) - of one whose disposition/conduct is completely satisfied

• नित्यम् (nityam) - always, constantly, eternally

• समे (same) - in the equal, in the same, in the impartial

• सुखमयात्मनि (sukhamayātmani) - in the self (ātman) full of joy/bliss, in the blissful self

• तिष्ठतः (tiṣṭhataḥ) - of one who remains, remaining (genitive)

• अन्तः (antaḥ) - Refers to the internal state or 'within' the self. (within, inside, inner)

• सिद्ध्यन्ति (siddhyanti) - succeed, are accomplished, are perfected

• दुर्लभतरा (durlabhatarā) - more difficult to obtain, most difficult to obtain

• अपि (api) - even, also, too, moreover

• वाञ्छितार्थाः (vāñchitārthāḥ) - desired objects, desired goals

• गङ्गावतारः (gaṅgāvatāraḥ) - Refers to the mythological event where King Bhagiratha brought the river Ganges down to earth. (descent of the Ganges)

• इव (iva) - like, as, as if

• सागरखातवस्तु (sāgarakhātavastu) - Refers to the vast channel or basin dug by King Sagara's sons to find their lost horse, which later became the ocean and was filled by the Ganges. (the object dug by Sagara (i.e., the ocean basin))

Words meanings and morphology

सम्पूर्णशान्तमनसः (sampūrṇaśāntamanasaḥ) - of one whose mind is completely peaceful, of one with a perfectly calm mind

(adjective)

Genitive, masculine, singular of sampūrṇaśāntamanas

sampūrṇaśāntamanas - one whose mind is completely peaceful, one with a perfectly calm mind

Bahuvrihi compound: 'one whose manas (mind) is sampūrṇaśānta (completely peaceful)'. 'sampūrṇaśānta' is a Karmadhāraya compound: 'sampūrṇa' (completely) + 'śānta' (peaceful).

Compound type : Bahuvrihi (sampūrṇaśānta+manas)

• sampūrṇaśānta – completely peaceful
  adjective (masculine)
  Karmadhāraya compound. 'sampūrṇa' (Past Passive Participle from 'pṛ' + 'sam') and 'śānta' (Past Passive Participle from 'śam').
• manas – mind, intellect, heart (manas)
  noun (neuter)
  Root: man (class 4)

Note: Qualifies the implied subject (for whom something is accomplished).

परितृप्तवृत्तेः (paritṛptavṛtteḥ) - of one whose disposition/conduct is completely satisfied

(adjective)

Genitive, masculine, singular of paritṛptavṛtti

paritṛptavṛtti - one whose disposition/conduct is completely satisfied

Bahuvrihi compound: 'one whose vṛtti (disposition) is paritṛpta (completely satisfied)'. 'paritṛpta' is a Past Passive Participle from 'tṛp' with prefix 'pari'.

Compound type : Bahuvrihi (paritṛpta+vṛtti)

• paritṛpta – completely satisfied, fully contented
  adjective (masculine)
  Past Passive Participle
  From root 'tṛp' (to be satisfied) with prefix 'pari' and suffix 'kta'.
  Prefix: pari
  Root: tṛp (class 4)
• vṛtti – disposition, conduct, mode of being, livelihood
  noun (feminine)
  From root 'vṛt' (to be, exist) + 'ti' suffix.
  Root: vṛt (class 1)

Note: Qualifies the implied subject.

नित्यम् (nityam) - always, constantly, eternally

(indeclinable)

Can also be an adjective. Here it functions adverbially.

समे (same) - in the equal, in the same, in the impartial

(adjective)

Locative, masculine, singular of sama

sama - equal, same, even, impartial

Root: sam

Note: Modifies 'ātmani'.

सुखमयात्मनि (sukhamayātmani) - in the self (ātman) full of joy/bliss, in the blissful self

(noun)

Locative, masculine, singular of sukhamayātman

sukhamayātman - self (ātman) full of joy/bliss, blissful self

Tatpurusha compound: 'sukhamaya' (full of joy) + 'ātman' (self). 'sukhamaya' is from 'sukha' (joy) + 'maya' (full of).

Compound type : Tatpurusha (sukhamaya+ātman)

• sukhamaya – full of joy, blissful
  adjective (masculine)
  Formed from 'sukha' (joy) and suffix 'maya' (made of, full of).
• ātman – self, soul, spirit, essence (ātman)
  noun (masculine)
  Root: an

Note: Location for 'tiṣṭhataḥ'.

तिष्ठतः (tiṣṭhataḥ) - of one who remains, remaining (genitive)

(adjective)

Genitive, masculine, singular of tiṣṭhat

tiṣṭhat - standing, remaining, being

Present Active Participle

From root 'sthā' (to stand) + 'śatṛ' suffix.

Root: sthā (class 1)

Note: Qualifies the implied subject, acting as a genitive dependent of 'for whom...'.

अन्तः (antaḥ) - Refers to the internal state or 'within' the self. (within, inside, inner)

(indeclinable)

Can also be a noun (interior). Here used adverbially.

Note: Adverbial use, qualifying 'tiṣṭhataḥ'.

सिद्ध्यन्ति (siddhyanti) - succeed, are accomplished, are perfected

(verb)

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

Present tense, third person plural.

Root: sidh (class 4)

Note: The subject is 'vāñchitārthāḥ'.

दुर्लभतरा (durlabhatarā) - more difficult to obtain, most difficult to obtain

(adjective)

Nominative, masculine, plural of durlabhatara

durlabhatara - more difficult to obtain, most difficult to obtain

Comparative suffix 'tara' added to 'durlabha' (difficult to obtain). 'durlabha' from 'dus' + 'labh' (to obtain).

Compound type : Prādi-Tatpurusha (dus+labha)

• dus – bad, difficult, hard, ill
  indeclinable
  Prefix.
• labha – obtaining, gaining
  noun (masculine)
  From root 'labh' (to obtain).
  Root: labh (class 1)
• tara – more, -er (comparative suffix)
  suffix
  Comparative suffix.

Note: Agrees with 'vāñchitārthāḥ'.

अपि (api) - even, also, too, moreover

(indeclinable)

Particle.

वाञ्छितार्थाः (vāñchitārthāḥ) - desired objects, desired goals

(noun)

Nominative, masculine, plural of vāñchitārtha

vāñchitārtha - desired object, desired goal (vāñchitārtha)

Tatpurusha compound: 'vāñchita' (desired) + 'artha' (object, goal). 'vāñchita' is a Past Passive Participle from root 'vāñch' (to desire).

Compound type : Tatpurusha (vāñchita+artha)

• vāñchita – desired, wished
  adjective (masculine)
  Past Passive Participle
  From root 'vāñch' (to desire) + 'kta' suffix.
  Root: vāñch (class 1)
• artha – object, purpose, meaning, wealth, goal
  noun (masculine)
  From root 'ṛ' (to go) + 'tha' suffix.
  Root: ṛ

Note: Subject of 'siddhyanti'.

गङ्गावतारः (gaṅgāvatāraḥ) - Refers to the mythological event where King Bhagiratha brought the river Ganges down to earth. (descent of the Ganges)

(noun)

Nominative, masculine, singular of gaṅgāvatāra

gaṅgāvatāra - descent of the Ganges

Tatpurusha compound: 'gaṅgā' (Ganges) + 'avatāra' (descent).

Compound type : Tatpurusha (gaṅgā+avatāra)

• gaṅgā – the river Ganges
  proper noun (feminine)
  Root: gam (class 1)
• avatāra – descent, incarnation, manifestation
  noun (masculine)
  From root 'tṛ' (to cross) with prefix 'ava'.
  Prefix: ava
  Root: tṛ (class 1)

Note: Part of the simile.

इव (iva) - like, as, as if

(indeclinable)

Particle of comparison.

सागरखातवस्तु (sāgarakhātavastu) - Refers to the vast channel or basin dug by King Sagara's sons to find their lost horse, which later became the ocean and was filled by the Ganges. (the object dug by Sagara (i.e., the ocean basin))

(noun)

Nominative, neuter, singular of sāgarakhātavastu

sāgarakhātavastu - the object dug by Sagara (i.e., the ocean basin)

Tatpurusha compound: 'sāgara' (related to Sagara, or Sagara's) + 'khāta' (dug) + 'vastu' (object).

Compound type : Tatpurusha (sāgara+khāta+vastu)

• sāgara – relating to Sagara, descendant of Sagara; the ocean (named after Sagara)
  noun (masculine)
  From 'sagara' (proper noun) + 'aṇ' suffix.
• khāta – dug, excavated, a ditch, a pit
  adjective (neuter)
  Past Passive Participle
  From root 'khan' (to dig) + 'kta' suffix.
  Root: khan (class 1)
• vastu – object, thing, substance, essence
  noun (neuter)
  From root 'vas' (to dwell).
  Root: vas (class 1)

Note: Refers to the pit or basin.