योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-23, verse-8

भोक्तुं न किंचिच्छक्नोति न च जानाति किंचन ।
राजार्थं केवलं सर्वं करोत्यज्ञोऽपि सन्सदा ॥ ८ ॥

bhoktuṃ na kiṃcicchaknoti na ca jānāti kiṃcana ,
rājārthaṃ kevalaṃ sarvaṃ karotyajño'pi sansadā 8

8. bhoktum na kiñcit śaknoti na ca jānāti kiñcana
rājārtham kevalam sarvam karoti ajñaḥ api san sadā

8. kiñcit bhoktum na śaknoti ca kiñcana na jānāti ajñaḥ api san,
sadā kevalam rājārtham sarvam karoti

8. He is unable to enjoy anything, nor does he know anything at all. Even being ignorant, he always does everything solely for the king's sake.

Words meanings summery:

• भोक्तुम् (bhoktum) - to eat, to enjoy, to experience

• न (na) - not, no

• किञ्चित् (kiñcit) - anything, something, a little

• शक्नोति (śaknoti) - is able, can

• न (na) - not, no

• च (ca) - and, also

• जानाति (jānāti) - knows, understands

• किञ्चन (kiñcana) - anything, whatsoever (emphatic)

• राजार्थम् (rājārtham) - for the sake of the king, for the king's purpose

• केवलम् (kevalam) - only, merely, solely

• सर्वम् (sarvam) - all, everything

• करोति (karoti) - does, performs, makes

• अज्ञः (ajñaḥ) - ignorant, unknowing, fool

• अपि (api) - even, also, too

• सन् (san) - being, existing

• सदा (sadā) - always, ever

Words meanings and morphology

भोक्तुम् (bhoktum) - to eat, to enjoy, to experience

(indeclinable)

Root: bhuj (class 7)

Note: Infinitive form

न (na) - not, no

(indeclinable)

किञ्चित् (kiñcit) - anything, something, a little

(pronoun/indeclinable)

Note: Used here as an object in accusative.

शक्नोति (śaknoti) - is able, can

(verb)

3rd person , singular, active, present (laṭ) of śak

Root: śak (class 5)

न (na) - not, no

(indeclinable)

च (ca) - and, also

(indeclinable)

जानाति (jānāti) - knows, understands

(verb)

3rd person , singular, active, present (laṭ) of jñā

Root: jñā (class 9)

किञ्चन (kiñcana) - anything, whatsoever (emphatic)

(pronoun/indeclinable)

Note: Used here as an object in accusative.

राजार्थम् (rājārtham) - for the sake of the king, for the king's purpose

(noun)

Accusative, neuter, singular of rājārtha

rājārtha - king's purpose, king's advantage

Compound type : tatpuruṣa (rājan+artha)

• rājan – king, ruler
  noun (masculine)
• artha – purpose, meaning, wealth, for the sake of
  noun (masculine)

केवलम् (kevalam) - only, merely, solely

(adjective)

Accusative, neuter, singular of kevala

kevala - only, mere, sole, alone

Note: Used adverbially here.

सर्वम् (sarvam) - all, everything

(pronoun/adjective)

करोति (karoti) - does, performs, makes

(verb)

3rd person , singular, active, present (laṭ) of kṛ

Root: kṛ (class 8)

अज्ञः (ajñaḥ) - ignorant, unknowing, fool

(adjective/noun)

Compound type : nañ-tatpuruṣa (a+jña)

• a – not, non-
  indeclinable
• jña – knowing, wise
  adjective
  Derived from root jñā
  Root: jñā (class 9)

अपि (api) - even, also, too

(indeclinable)

सन् (san) - being, existing

(participle)

Nominative, masculine, singular of sat

sat - being, existing, good, true

Present Active Participle

Present participle of root as (to be)

Root: as (class 2)

सदा (sadā) - always, ever

(indeclinable)