महाभारतः mahābhārataḥ - book-3, chapter-223, verse-4

सुखं सुखेनेह न जातु लभ्यं दुःखेन साध्वी लभते सुखानि ।
सा कृष्णमाराधय सौहृदेन प्रेम्णा च नित्यं प्रतिकर्मणा च ॥४॥

4. sukhaṁ sukheneha na jātu labhyaṁ; duḥkhena sādhvī labhate sukhāni ,
sā kṛṣṇamārādhaya sauhṛdena; premṇā ca nityaṁ pratikarmaṇā ca.

4. sukham sukhena iha na jātu labhyam
duḥkhena sādhvī labhate sukhāni
sā kṛṣṇam ārādhaya sauhṛdena
premṇā ca nityam prati-karmaṇā ca

4. Happiness is never attained in this world through ease; rather, a virtuous woman (sādhvī) attains happiness through hardship. Therefore, you should worship Kṛṣṇa with kindness, always with love, and through diligent action (karma).

Words meanings summery:

• सुखम् (sukham) - happiness, pleasure

• सुखेन (sukhena) - by happiness, through ease, comfortably

• इह (iha) - here, in this world

• न (na) - not, no

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

• लभ्यम् (labhyam) - obtainable, to be attained

• दुःखेन (duḥkhena) - by suffering, through hardship

• साध्वी (sādhvī) - chaste woman, virtuous woman

• लभते (labhate) - attains, obtains

• सुखानि (sukhāni) - happiness, pleasures

• सा (sā) - she

• कृष्णम् (kṛṣṇam) - Kṛṣṇa

• आराधय (ārādhaya) - worship, propitiate

• सौहृदेन (sauhṛdena) - with friendship, with kindness, with good-heartedness

• प्रेम्णा (premṇā) - with love

• च (ca) - and

• नित्यम् (nityam) - always, constantly, eternally

• प्रति-कर्मणा (prati-karmaṇā) - with diligent action, by (appropriate) deeds

• च (ca) - and

Words meanings and morphology

सुखम् (sukham) - happiness, pleasure

(noun)

Nominative, neuter, singular of sukha

sukha - happiness, pleasure, joy, comfort

सुखेन (sukhena) - by happiness, through ease, comfortably

(noun)

Instrumental, neuter, singular of sukha

sukha - happiness, pleasure, joy, comfort

इह (iha) - here, in this world

(indeclinable)

न (na) - not, no

(indeclinable)

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

(indeclinable)

लभ्यम् (labhyam) - obtainable, to be attained

(verbal derivative)

दुःखेन (duḥkhena) - by suffering, through hardship

(noun)

Instrumental, neuter, singular of duḥkha

duḥkha - suffering, pain, misery, hardship

साध्वी (sādhvī) - chaste woman, virtuous woman

(noun)

Nominative, feminine, singular of sādhvī

sādhvī - a virtuous woman, chaste wife

लभते (labhate) - attains, obtains

(verb)

3rd person , singular, middle, present indicative (laṭ) of labh

present indicative, 3rd person singular, middle voice

Root: labh (class 1)

सुखानि (sukhāni) - happiness, pleasures

(noun)

Nominative, neuter, plural of sukha

sukha - happiness, pleasure, joy, comfort

सा (sā) - she

(pronoun)

Nominative, feminine, singular of tad

tad - that, he, she, it

कृष्णम् (kṛṣṇam) - Kṛṣṇa

(proper noun)

Accusative, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (a prominent deity), dark, black

आराधय (ārādhaya) - worship, propitiate

(verb)

2nd person , singular, active, imperative (loṭ) of ārādh

imperative mood, 2nd person singular

Prefix: ā

Root: rādh (class 5)

सौहृदेन (sauhṛdena) - with friendship, with kindness, with good-heartedness

(noun)

Instrumental, neuter, singular of sauhṛda

sauhṛda - friendship, good-heartedness, kindness

प्रेम्णा (premṇā) - with love

(noun)

Instrumental, neuter, singular of preman

preman - love, affection, fondness

च (ca) - and

(indeclinable)

नित्यम् (nityam) - always, constantly, eternally

(indeclinable)

used adverbially

प्रति-कर्मणा (prati-karmaṇā) - with diligent action, by (appropriate) deeds

(noun)

Instrumental, neuter, singular of prati-karman

prati-karman - corresponding action, diligent action, proper conduct (karma)

Compound type : avyayībhāva (prati+karman)

• prati – towards, against, in respect of, in return for
  indeclinable
• karman – action (karma), deed, work, ritual
  noun (neuter)

च (ca) - and

(indeclinable)