महाभारतः mahābhārataḥ - book-15, chapter-9, verse-10

विद्यावृद्धान्सदैव त्वमुपासीथा युधिष्ठिर ।
शृणुयास्ते च यद्ब्रूयुः कुर्याश्चैवाविचारयन् ॥१०॥

10. vidyāvṛddhānsadaiva tvamupāsīthā yudhiṣṭhira ,
śṛṇuyāste ca yadbrūyuḥ kuryāścaivāvicārayan.

10. vidyāvṛddhān sadā eva tvam upāsīthāḥ yudhiṣṭhira
śṛṇuyāḥ te ca yat brūyuḥ kuryāḥ ca eva avicārayan

10. O Yudhiṣṭhira, you should always attend upon those who are advanced in knowledge. Listen to whatever they say, and act upon it without questioning.

Words meanings summery:

• विद्यावृद्धान् (vidyāvṛddhān) - those who are advanced in knowledge (those advanced in learning, venerable in knowledge)

• सदा (sadā) - always (always, ever)

• एव (eva) - indeed (only, just, indeed, certainly)

• त्वम् (tvam) - you (Yudhiṣṭhira) (you)

• उपासीथाः (upāsīthāḥ) - you should attend upon, serve (you should attend, you should serve, you should worship)

• युधिष्ठिर (yudhiṣṭhira) - O Yudhiṣṭhira (O Yudhiṣṭhira (proper noun, vocative))

• शृणुयाः (śṛṇuyāḥ) - you should listen (you should hear, you should listen)

• ते (te) - from them (referring to the learned) (by them, to them, they)

• च (ca) - and (and, also)

• यत् (yat) - whatever (what, which, that (relative pronoun))

• ब्रूयुः (brūyuḥ) - they (the learned) say (they should speak/say)

• कुर्याः (kuryāḥ) - you should act upon it, do (it) (you should do, you should make)

• च (ca) - and (and, also)

• एव (eva) - just, indeed (only, just, indeed, certainly)

• अविचारयन् (avicārayan) - without questioning/deliberation (not deliberating, without hesitation, without questioning)

Words meanings and morphology

विद्यावृद्धान् (vidyāvṛddhān) - those who are advanced in knowledge (those advanced in learning, venerable in knowledge)

(adjective)

Accusative, masculine, plural of vidyāvṛddha

vidyāvṛddha - advanced in learning, grown old in knowledge

Compound type : saptamī-tatpuruṣa (vidyā+vṛddha)

• vidyā – knowledge, learning, science
  noun (feminine)
  Root: vid (class 4)
• vṛddha – old, grown, increased, venerable
  adjective (masculine)
  Past Passive Participle
  From root vṛdh (to grow, increase)
  Root: vṛdh (class 1)

सदा (sadā) - always (always, ever)

(indeclinable)

एव (eva) - indeed (only, just, indeed, certainly)

(indeclinable)

त्वम् (tvam) - you (Yudhiṣṭhira) (you)

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you (pronoun)

उपासीथाः (upāsīthāḥ) - you should attend upon, serve (you should attend, you should serve, you should worship)

(verb)

2nd person , singular, middle, optative (liṅ) of ās

Optative

2nd person singular middle optative, from upa + ās (class 2)

Prefix: upa

Root: ās (class 2)

युधिष्ठिर (yudhiṣṭhira) - O Yudhiṣṭhira (O Yudhiṣṭhira (proper noun, vocative))

(proper noun)

Vocative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - Yudhiṣṭhira (name of the eldest Pāṇḍava), firm in battle

Compound: yudhi (in battle) + sthira (firm)

Compound type : saptamī-tatpuruṣa (yudh+sthira)

• yudh – battle, fight
  noun (feminine)
  Root: yudh (class 4)
• sthira – firm, steady, constant
  adjective (masculine)
  From root sthā (to stand)
  Root: sthā (class 1)

शृणुयाः (śṛṇuyāḥ) - you should listen (you should hear, you should listen)

(verb)

2nd person , singular, active, optative (liṅ) of śru

Optative

2nd person singular active optative, from root śru (class 5)

Root: śru (class 5)

ते (te) - from them (referring to the learned) (by them, to them, they)

(pronoun)

Dative, masculine, plural of tad

tad - that, he, she, it (demonstrative pronoun)

च (ca) - and (and, also)

(indeclinable)

यत् (yat) - whatever (what, which, that (relative pronoun))

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that (relative pronoun)

ब्रूयुः (brūyuḥ) - they (the learned) say (they should speak/say)

(verb)

3rd person , plural, active, optative (liṅ) of brū

Optative

3rd person plural active optative, from root brū (class 2)

Root: brū (class 2)

कुर्याः (kuryāḥ) - you should act upon it, do (it) (you should do, you should make)

(verb)

2nd person , singular, active, optative (liṅ) of kṛ

Optative

2nd person singular active optative, from root kṛ (class 8)

Root: kṛ (class 8)

च (ca) - and (and, also)

(indeclinable)

एव (eva) - just, indeed (only, just, indeed, certainly)

(indeclinable)

अविचारयन् (avicārayan) - without questioning/deliberation (not deliberating, without hesitation, without questioning)

(adjective)

Nominative, masculine, singular of avicārayat

avicārayat - not deliberating, not thinking, without questioning

Present Active Participle

From a (negation) + vi + car (to move, consider) + ṇic (causative) + śatṛ

Compound type : nañ-tatpuruṣa (a+vicārayat)

• a – not, non-
  indeclinable
  negative prefix
• vicārayat – deliberating, considering
  adjective (masculine)
  Present Active Participle
  From vi + car (causative stem vicāray)
  Prefix: vi
  Root: car (class 1)