महाभारतः mahābhārataḥ - book-6, chapter-28, verse-9

सुहृन्मित्रार्युदासीनमध्यस्थद्वेष्यबन्धुषु ।
साधुष्वपि च पापेषु समबुद्धिर्विशिष्यते ॥९॥

9. suhṛnmitrāryudāsīnamadhyasthadveṣyabandhuṣu ,
sādhuṣvapi ca pāpeṣu samabuddhirviśiṣyate.

9. suhṛnmitrāryudāsīnamadhyasthadveṣyabandhuṣu
sādhuṣu api ca pāpeṣu samabuddhiḥ viśiṣyate

9. suhṛnmitrāryudāsīnamadhyasthadveṣyabandhuṣu ca sādhuṣu pāpeṣu api samabuddhiḥ viśiṣyate.

9. Superior is one who possesses an equal (sama) disposition towards well-wishers, friends, enemies, those who are neutral, mediators, those who are hateful, and relatives, as well as towards the virtuous and the sinful.

Words meanings summery:

• सुहृन्मित्रार्युदासीनमध्यस्थद्वेष्यबन्धुषु (suhṛnmitrāryudāsīnamadhyasthadveṣyabandhuṣu) - in the various categories of people one encounters in social interactions, viewed with impartiality (among well-wishers, friends, enemies, neutrals, arbiters, the hateful, and relatives)

• साधुषु (sādhuṣu) - referring to people of good character or righteous conduct (among the virtuous, among the pious, among the good)

• अपि (api) - indicating inclusion of the following category, 'and even' (also, even, too)

• च (ca) - connecting 'sādhuṣu' and 'pāpeṣu' (and)

• पापेषु (pāpeṣu) - referring to people of bad character or unrighteous conduct (among the sinful, among the wicked)

• समबुद्धिः (samabuddhiḥ) - a person possessing a balanced and unbiased mental attitude towards all beings and situations (one whose intellect is equal/impartial, equanimous mind)

• विशिष्यते (viśiṣyate) - stands out as superior due to their equanimous nature (excels, is distinguished, is superior)

Words meanings and morphology

सुहृन्मित्रार्युदासीनमध्यस्थद्वेष्यबन्धुषु (suhṛnmitrāryudāsīnamadhyasthadveṣyabandhuṣu) - in the various categories of people one encounters in social interactions, viewed with impartiality (among well-wishers, friends, enemies, neutrals, arbiters, the hateful, and relatives)

(noun)

Locative, masculine, plural of suhṛnmitrāryudāsīnamadhyasthadveṣyabandhu

suhṛnmitrāryudāsīnamadhyasthadveṣyabandhu - a collective of well-wishers, friends, enemies, neutrals, arbiters, the hateful, and relatives

Compound type : Dvandva (suhṛd+mitra+ari+udāsīna+madhyastha+dveṣya+bandhu)

• suhṛd – well-wisher, sincere friend, good-hearted
  noun (masculine)
• mitra – friend, companion, ally
  noun (masculine)
• ari – enemy, foe, adversary
  noun (masculine)
• udāsīna – neutral, indifferent, unconcerned
  adjective
  Prefixes: ud+ā
  Root: ās (class 2)
• madhyastha – mediator, arbiter, impartial, standing in the middle
  noun (masculine)
  Compound 'madhya' (middle) + 'stha' (standing)
• dveṣya – object of hatred, hateful, to be hated
  noun
  Gerundive / Future Passive Participle
  Derived from root 'dviṣ' (to hate)
  Root: dviṣ (class 2)
• bandhu – relative, kinsman, friend
  noun (masculine)

साधुषु (sādhuṣu) - referring to people of good character or righteous conduct (among the virtuous, among the pious, among the good)

(adjective)

Locative, masculine, plural of sādhu

sādhu - good, virtuous, pious, righteous, saintly person, holy man

अपि (api) - indicating inclusion of the following category, 'and even' (also, even, too)

(indeclinable)

च (ca) - connecting 'sādhuṣu' and 'pāpeṣu' (and)

(indeclinable)

पापेषु (pāpeṣu) - referring to people of bad character or unrighteous conduct (among the sinful, among the wicked)

(adjective)

Locative, masculine, plural of pāpa

pāpa - evil, sinful, wicked, bad, sinner

समबुद्धिः (samabuddhiḥ) - a person possessing a balanced and unbiased mental attitude towards all beings and situations (one whose intellect is equal/impartial, equanimous mind)

(adjective)

Nominative, masculine, singular of samabuddhi

samabuddhi - equanimous mind, impartiality, one who has equal intellect or disposition

Compound type : Bahuvrīhi (sama+buddhi)

• sama – equal, same, alike, impartial
  adjective
• buddhi – intellect, understanding, discernment, perception
  noun (feminine)
  Root: budh (class 1)

विशिष्यते (viśiṣyate) - stands out as superior due to their equanimous nature (excels, is distinguished, is superior)

(verb)

3rd person , singular, passive, present (laṭ) of viśiṣ

Prefix: vi

Root: śiṣ (class 7)