महाभारतः mahābhārataḥ - book-12, chapter-206, verse-20

इन्द्रियाणां रजस्येव प्रभवप्रलयावुभौ ।
परीक्ष्य संचरेद्विद्वान्यथावच्छास्त्रचक्षुषा ॥२०॥

20. indriyāṇāṁ rajasyeva prabhavapralayāvubhau ,
parīkṣya saṁcaredvidvānyathāvacchāstracakṣuṣā.

20. indriyāṇām rajasi eva prabhava-pralayau ubhau
parīkṣya saṃcared vidvān yathāvat śāstra-cakṣuṣā

20. vidvān śāstra-cakṣuṣā indriyāṇām rajasi eva ubhau
prabhava-pralayau parīkṣya yathāvat saṃcared

20. A wise person, having thoroughly examined both the origin and dissolution of the senses as they manifest in the quality of passion (rajas), should conduct themselves properly with the guidance of the scriptures.

Words meanings summery:

• इन्द्रियाणाम् (indriyāṇām) - of the senses, of the sense organs

• रजसि (rajasi) - in passion, in the quality of activity

• एव (eva) - indeed, certainly, only

• प्रभव-प्रलयौ (prabhava-pralayau) - both origin and dissolution

• उभौ (ubhau) - both

• परीक्ष्य (parīkṣya) - having examined, having investigated

• संचरेद् (saṁcared) - one should move, one should act, one should conduct oneself

• विद्वान् (vidvān) - a wise person, a knowing one, learned

• यथावत् (yathāvat) - properly, truly, according to truth

• शास्त्र-चक्षुषा (śāstra-cakṣuṣā) - with the eye of scripture, by means of scriptural insight

Words meanings and morphology

इन्द्रियाणाम् (indriyāṇām) - of the senses, of the sense organs

(noun)

Genitive, neuter, plural of indriya

indriya - sense organ, faculty of sense

रजसि (rajasi) - in passion, in the quality of activity

(noun)

Locative, neuter, singular of rajas

rajas - dust, impurity, the quality of passion/activity (one of the three guṇas)

एव (eva) - indeed, certainly, only

(indeclinable)

प्रभव-प्रलयौ (prabhava-pralayau) - both origin and dissolution

(noun)

Nominative, masculine, dual of prabhava-pralaya

prabhava-pralaya - origin and dissolution

Compound type : dvandva (prabhava+pralaya)

• prabhava – origin, source, birth
  noun (masculine)
  Prefix: pra
  Root: bhū (class 1)
• pralaya – dissolution, destruction, reabsorption
  noun (masculine)
  Prefix: pra
  Root: lī (class 4)

उभौ (ubhau) - both

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

परीक्ष्य (parīkṣya) - having examined, having investigated

(indeclinable)

absolutive (gerund)

derived from root īkṣ with prefix pari

Prefix: pari

Root: īkṣ (class 1)

संचरेद् (saṁcared) - one should move, one should act, one should conduct oneself

(verb)

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

Prefix: sam

Root: car (class 1)

विद्वान् (vidvān) - a wise person, a knowing one, learned

(adjective)

Nominative, masculine, singular of vidvat

vidvat - knowing, wise, learned

present active participle

derived from root vid

Root: vid (class 2)

यथावत् (yathāvat) - properly, truly, according to truth

(indeclinable)

शास्त्र-चक्षुषा (śāstra-cakṣuṣā) - with the eye of scripture, by means of scriptural insight

(noun)

Instrumental, neuter, singular of śāstra-cakṣus

śāstra-cakṣus - the eye of scripture

Compound type : tatpurusha (śāstra+cakṣus)

• śāstra – scripture, sacred text, treatise, science
  noun (neuter)
• cakṣus – eye, sight, vision
  noun (neuter)