महाभारतः mahābhārataḥ - book-12, chapter-136, verse-136

यो विश्वसति मित्रेषु न चाश्वसति शत्रुषु ।
अर्थयुक्तिमविज्ञाय चलितं तस्य जीवितम् ॥१३६॥

136. yo viśvasati mitreṣu na cāśvasati śatruṣu ,
arthayuktimavijñāya calitaṁ tasya jīvitam.

136. yaḥ viśvasati mitreṣu na ca āśvasati śatruṣu
arthayuktim avijñāya calitam tasya jīvitam

136. yaḥ mitreṣu viśvasati ca śatruṣu na āśvasati arthayuktim avijñāya,
tasya jīvitam calitam

136. One who places trust in friends but does not trust enemies, without understanding the considerations of self-interest (artha-yukti), their life becomes unstable.

Words meanings summery:

• यः (yaḥ) - one who (who, whoever)

• विश्वसति (viśvasati) - places trust in (trusts, believes, confides)

• मित्रेषु (mitreṣu) - in friends (in friends, among friends)

• न (na) - but not (not, no)

• च (ca) - and (connecting clauses) (and, also)

• आश्वसति (āśvasati) - trusts, relies upon (trusts, relies on, confides in)

• शत्रुषु (śatruṣu) - in enemies (in enemies, among enemies)

• अर्थयुक्तिम् (arthayuktim) - the considerations of self-interest (artha-yukti) (consideration of self-interest, purpose)

• अविज्ञाय (avijñāya) - without understanding (without knowing, not having known)

• चलितम् (calitam) - becomes unstable, disturbed (moved, unsteady, shaken)

• तस्य (tasya) - their (referring to the 'one who') (of him, his)

• जीवितम् (jīvitam) - life (life, existence)

Words meanings and morphology

यः (yaḥ) - one who (who, whoever)

(pronoun)

Nominative, masculine, singular of yad

yad - which, what, who

Note: Correlative to 'tasya'.

विश्वसति (viśvasati) - places trust in (trusts, believes, confides)

(verb)

3rd person , singular, active, present indicative (laṭ) of śvas

Prefix: vi

Root: śvas (class 2)

मित्रेषु (mitreṣu) - in friends (in friends, among friends)

(noun)

Locative, neuter, plural of mitra

mitra - friend, companion, ally

न (na) - but not (not, no)

(indeclinable)

च (ca) - and (connecting clauses) (and, also)

(indeclinable)

आश्वसति (āśvasati) - trusts, relies upon (trusts, relies on, confides in)

(verb)

3rd person , singular, active, present indicative (laṭ) of śvas

Prefix: ā

Root: śvas (class 2)

शत्रुषु (śatruṣu) - in enemies (in enemies, among enemies)

(noun)

Locative, masculine, plural of śatru

śatru - enemy, foe, rival

अर्थयुक्तिम् (arthayuktim) - the considerations of self-interest (artha-yukti) (consideration of self-interest, purpose)

(noun)

Accusative, feminine, singular of arthayukti

arthayukti - connection with interest, consideration of utility/profit

Compound type : tatpuruṣa (artha+yukti)

• artha – purpose, meaning, object, wealth, interest
  noun (masculine)
• yukti – connection, union, propriety, reason, consideration
  noun (feminine)
  Derived from root 'yuj' (to join)
  Root: yuj (class 7)

अविज्ञाय (avijñāya) - without understanding (without knowing, not having known)

(indeclinable)

Absolutive (Gerund) with negative prefix

Derived from root 'jñā' (to know) with prefix 'vi-' and negative 'a-'

Prefixes: a+vi

Root: jñā (class 9)

Note: Absolutives are indeclinable verb forms. Here with 'a-' negative prefix.

चलितम् (calitam) - becomes unstable, disturbed (moved, unsteady, shaken)

(adjective)

Nominative, neuter, singular of calita

calita - moved, shaken, agitated, unsteady, disturbed

Past Passive Participle

Derived from root 'cal' (to move)

Root: cal (class 1)

तस्य (tasya) - their (referring to the 'one who') (of him, his)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Correlative to 'yaḥ'.

जीवितम् (jīvitam) - life (life, existence)

(noun)

Nominative, neuter, singular of jīvita

jīvita - life, existence, livelihood

Past Passive Participle (used as noun)

Nominalized past passive participle of 'jīv'

Root: jīv (class 1)