महाभारतः mahābhārataḥ - book-5, chapter-67, verse-17

संजय उवाच ।
नाकृतात्मा कृतात्मानं जातु विद्याज्जनार्दनम् ।
आत्मनस्तु क्रियोपायो नान्यत्रेन्द्रियनिग्रहात् ॥१७॥

17. saṁjaya uvāca ,
nākṛtātmā kṛtātmānaṁ jātu vidyājjanārdanam ,
ātmanastu kriyopāyo nānyatrendriyanigrahāt.

17. sanjaya uvāca | na akṛtātmā kṛtātmānam jātu vidyāt janārdanam
| ātmanas tu kriyopāyaḥ na anyatra indriyanigrahāt

17. Sanjaya said: One whose self (ātman) is not disciplined can never truly understand Janardana as the perfected self (ātman). Furthermore, the means for the self (ātman) to perform action (karma) and achieve its purpose is nowhere else but through the control of the senses.

Words meanings summery:

• सन्जय (sanjaya) - Sanjaya

• उवाच (uvāca) - said, spoke

• न (na) - not, no

• अकृतात्मा (akṛtātmā) - one whose self is not disciplined, one whose mind is not prepared

• कृतात्मानम् (kṛtātmānam) - Janardana (Krishna) as the perfected self (the perfected self, one whose self is disciplined)

• जातु (jātu) - ever, at any time, by any means

• विद्यात् (vidyāt) - should know, would know, might understand

• जनार्दनम् (janārdanam) - Janardana (a name of Krishna/Vishnu)

• आत्मनस् (ātmanas) - of the self, of the soul

• तु (tu) - but, indeed, however

• क्रियोपायः (kriyopāyaḥ) - means for the self to achieve its purpose (means of action, means for achievement)

• न (na) - not, no

• अन्यत्र (anyatra) - nowhere else but (elsewhere, in another place, otherwise)

• इन्द्रियनिग्रहात् (indriyanigrahāt) - from the control of the senses, by means of sense restraint

Words meanings and morphology

सन्जय (sanjaya) - Sanjaya

(proper noun)

Nominative, masculine, singular of sanjaya

sanjaya - Sanjaya (name of Dhṛtarāṣṭra's charioteer)

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Perfect Active

reduplicated perfect form

Root: vac (class 2)

न (na) - not, no

(indeclinable)

अकृतात्मा (akṛtātmā) - one whose self is not disciplined, one whose mind is not prepared

(noun)

Nominative, masculine, singular of akṛtātman

akṛtātman - undisciplined self, unpurified soul, one whose self is not perfected

bahuvrīhi compound

Compound type : bahuvrīhi (a+kṛta+ātman)

• a – not, un-
  indeclinable
  negation prefix
• kṛta – done, made, accomplished, perfected
  adjective (neuter)
  Past Passive Participle
  from root kṛ (to do)
  Root: kṛ (class 8)
• ātman – self, soul, spirit, mind, essence
  noun (masculine)

कृतात्मानम् (kṛtātmānam) - Janardana (Krishna) as the perfected self (the perfected self, one whose self is disciplined)

(noun)

Accusative, masculine, singular of kṛtātman

kṛtātman - perfected self, one who has disciplined his self, purified soul

bahuvrīhi compound

Compound type : bahuvrīhi (kṛta+ātman)

• kṛta – done, made, accomplished, perfected
  adjective (neuter)
  Past Passive Participle
  from root kṛ (to do)
  Root: kṛ (class 8)
• ātman – self, soul, spirit, mind, essence
  noun (masculine)

जातु (jātu) - ever, at any time, by any means

(indeclinable)

विद्यात् (vidyāt) - should know, would know, might understand

(verb)

3rd person , singular, active, optative (vidhiliṅ) of vid

Optative Active

Root: vid (class 2)

जनार्दनम् (janārdanam) - Janardana (a name of Krishna/Vishnu)

(proper noun)

Accusative, masculine, singular of janārdana

janārdana - agitator of men, deliverer of men, name of Krishna or Vishnu

आत्मनस् (ātmanas) - of the self, of the soul

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, spirit, mind, essence

तु (tu) - but, indeed, however

(indeclinable)

क्रियोपायः (kriyopāyaḥ) - means for the self to achieve its purpose (means of action, means for achievement)

(noun)

Nominative, masculine, singular of kriyopāya

kriyopāya - means of action, method of performance

tatpuruṣa compound

Compound type : tatpuruṣa (kriyā+upāya)

• kriyā – action, performance, deed
  noun (feminine)
  from root kṛ (to do)
  Root: kṛ (class 8)
• upāya – means, method, resource, stratagem
  noun (masculine)
  from upa-i (to go near)
  Prefix: upa
  Root: i (class 2)

न (na) - not, no

(indeclinable)

अन्यत्र (anyatra) - nowhere else but (elsewhere, in another place, otherwise)

(indeclinable)

derived from anya (other) with suffix -tra

इन्द्रियनिग्रहात् (indriyanigrahāt) - from the control of the senses, by means of sense restraint

(noun)

Ablative, masculine, singular of indriyanigraha

indriyanigraha - control of the senses, restraint of the sense organs

tatpuruṣa compound

Compound type : tatpuruṣa (indriya+nigraha)

• indriya – sense organ, faculty of sense
  noun (neuter)
• nigraha – restraint, control, checking
  noun (masculine)
  from ni-grah (to seize, hold down)
  Prefix: ni
  Root: grah (class 9)