योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-75, verse-53

यत्नो यत्नेन कर्तव्यो मोक्षार्थं युक्तिपूर्वकम् ।
यत्नयुक्तिविहीनस्य गोष्पदं दुस्तरं भवेत् ॥ ५३ ॥

yatno yatnena kartavyo mokṣārthaṃ yuktipūrvakam ,
yatnayuktivihīnasya goṣpadaṃ dustaraṃ bhavet 53

53. yatnaḥ yatnena kartavyaḥ mokṣārtham yuktipūrvakam
yatnayuktivihīnasya goṣpadam dustaram bhavet

53. mokṣārtham yuktipūrvakam yatnena yatnaḥ kartavyaḥ.
yatnayukti-vihīnasya goṣpadam [api] dustaram bhavet.

53. Diligent effort should be made, judiciously and with proper method, for the sake of liberation (mokṣa). For one who lacks both effort and proper method, even a cow's hoof-print (goṣpadam) would become insurmountable.

Words meanings summery:

• यत्नः (yatnaḥ) - effort, exertion, endeavor

• यत्नेन (yatnena) - by effort, with exertion

• कर्तव्यः (kartavyaḥ) - to be done, should be made

• मोक्षार्थम् (mokṣārtham) - for the purpose of liberation (mokṣa), for liberation

• युक्तिपूर्वकम् (yuktipūrvakam) - judiciously, with proper method/reasoning

• यत्नयुक्तिविहीनस्य (yatnayuktivihīnasya) - for one devoid of effort and method/reasoning

• गोष्पदम् (goṣpadam) - a cow's hoof-print, a trivial obstacle

• दुस्तरम् (dustaram) - difficult to cross, insurmountable

• भवेत् (bhavet) - would be, might be, should be, becomes

Words meanings and morphology

यत्नः (yatnaḥ) - effort, exertion, endeavor

(noun)

Nominative, masculine, singular of yatna

yatna - effort, exertion, endeavor, attempt

Root: yat (class 1)

यत्नेन (yatnena) - by effort, with exertion

(noun)

Instrumental, masculine, singular of yatna

yatna - effort, exertion, endeavor, attempt

Root: yat (class 1)

कर्तव्यः (kartavyaḥ) - to be done, should be made

(adjective)

Nominative, masculine, singular of kartavya

kartavya - to be done, should be made, ought to be performed

Gerundive

Formed with suffix -tavya from root kṛ

Root: kṛ (class 8)

मोक्षार्थम् (mokṣārtham) - for the purpose of liberation (mokṣa), for liberation

(indeclinable)

Adverbial use of a compound

Compound type : Tatpuruṣa (mokṣa+artha)

• mokṣa – liberation, release, emancipation
  noun (masculine)
  Root: muc (class 6)
• artha – purpose, meaning, wealth, object
  noun (masculine)

युक्तिपूर्वकम् (yuktipūrvakam) - judiciously, with proper method/reasoning

(indeclinable)

Adverbial use of an adjective

Compound type : Tatpuruṣa (yukti+pūrvaka)

• yukti – method, reasoning, propriety, connection
  noun (feminine)
  Root: yuj (class 7)
• pūrvaka – preceded by, accompanied by, made before
  adjective (masculine)

यत्नयुक्तिविहीनस्य (yatnayuktivihīnasya) - for one devoid of effort and method/reasoning

(adjective)

Genitive, masculine, singular of yatnayuktivihīna

yatnayuktivihīna - devoid of effort and proper method

Compound type : Bahuvrīhi (yatna+yukti+vihīna)

• yatna – effort, exertion
  noun (masculine)
  Root: yat (class 1)
• yukti – method, reasoning, propriety
  noun (feminine)
  Root: yuj (class 7)
• vihīna – devoid of, deprived of, without
  adjective (masculine)
  Past Passive Participle
  Prefix: vi
  Root: hā (class 3)

गोष्पदम् (goṣpadam) - a cow's hoof-print, a trivial obstacle

(noun)

Nominative, neuter, singular of goṣpada

goṣpada - cow's hoof-print; a very small amount or obstacle

Compound type : Ṣaṣṭhī-Tatpuruṣa (go+pada)

• go – cow, earth, light
  noun (feminine)
• pada – foot, step, mark, place
  noun (neuter)

दुस्तरम् (dustaram) - difficult to cross, insurmountable

(adjective)

Nominative, neuter, singular of dustara

dustara - difficult to cross, hard to overcome, insurmountable

Compound type : Pradi-Tatpuruṣa (dur+tara)

• dur – difficult, bad, hard (prefix)
  indeclinable
• tara – crossing, passage, bridge
  noun (masculine)
  Derived from root tṛ ('to cross')
  Root: tṛ (class 1)

भवेत् (bhavet) - would be, might be, should be, becomes

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of bhū

Root: bhū (class 1)