महाभारतः mahābhārataḥ - book-12, chapter-137, verse-24

सर्वेषां कृतवैराणामविश्वासः सुखावहः ।
एकान्ततो न विश्वासः कार्यो विश्वासघातकः ॥२४॥

24. sarveṣāṁ kṛtavairāṇāmaviśvāsaḥ sukhāvahaḥ ,
ekāntato na viśvāsaḥ kāryo viśvāsaghātakaḥ.

24. sarveṣāṃ kṛtavairāṇāṃ aviśvāsaḥ sukhāvahaḥ
ekāntataḥ na viśvāsaḥ kāryaḥ viśvāsaghātakaḥ

24. sarveṣāṃ kṛtavairāṇāṃ aviśvāsaḥ sukhāvahaḥ
ekāntataḥ viśvāsaghātakaḥ na viśvāsaḥ kāryaḥ

24. For all those who have created enmity, distrust is beneficial. Absolute trust should not be placed in a betrayer of trust.

Words meanings summery:

• सर्वेषां (sarveṣāṁ) - of all, for all

• कृतवैराणां (kṛtavairāṇāṁ) - of those who have created enmity, of enemies

• अविश्वासः (aviśvāsaḥ) - distrust, lack of trust, suspicion

• सुखावहः (sukhāvahaḥ) - bringing happiness, beneficial, leading to comfort

• एकान्ततः (ekāntataḥ) - entirely, absolutely, exclusively, in isolation

• न (na) - not, no

• विश्वासः (viśvāsaḥ) - trust, confidence, faith

• कार्यः (kāryaḥ) - should be done, is to be done, proper to be done

• विश्वासघातकः (viśvāsaghātakaḥ) - a betrayer of trust, a deceiver

Words meanings and morphology

सर्वेषां (sarveṣāṁ) - of all, for all

(pronoun)

Genitive, masculine, plural of sarva

sarva - all, every, whole

Note: Qualifies 'kṛtavairāṇām'.

कृतवैराणां (kṛtavairāṇāṁ) - of those who have created enmity, of enemies

(adjective)

Genitive, masculine, plural of kṛtavaira

kṛtavaira - one who has created enmity, an enemy, hostile

from kṛta ('done, made') + vaira ('enmity')

Compound type : bahuvrihi (kṛta+vaira)

• kṛta – done, made, performed
  adjective (neuter)
  Past Passive Participle
  from root kṛ ('to do, make')
  Root: kṛ (class 8)
• vaira – enmity, hostility
  noun (neuter)

Note: Qualifies an implied noun like 'janānām' (of people).

अविश्वासः (aviśvāsaḥ) - distrust, lack of trust, suspicion

(noun)

Nominative, masculine, singular of aviśvāsa

aviśvāsa - distrust, lack of trust, suspicion

from a- (negation) + viśvāsa ('trust')

Compound type : tatpurusha (a+viśvāsa)

• a – not, un-
  indeclinable
• viśvāsa – trust, confidence, faith
  noun (masculine)

Note: Subject of 'sukhāvahaḥ'.

सुखावहः (sukhāvahaḥ) - bringing happiness, beneficial, leading to comfort

(adjective)

Nominative, masculine, singular of sukhāvaha

sukhāvaha - bringing happiness, conducive to pleasure, beneficial

from sukha ('happiness') + āvaha ('bringing')

Compound type : tatpurusha (sukha+āvaha)

• sukha – happiness, joy, comfort
  noun (neuter)
• āvaha – bringing, causing, producing
  adjective (masculine)
  from ā-vah ('to bring')
  Prefix: ā
  Root: vah (class 1)

Note: Agrees with 'aviśvāsaḥ'.

एकान्ततः (ekāntataḥ) - entirely, absolutely, exclusively, in isolation

(indeclinable)

from ekānta ('exclusive, private') + -tas (adverbial suffix)

न (na) - not, no

(indeclinable)

विश्वासः (viśvāsaḥ) - trust, confidence, faith

(noun)

Nominative, masculine, singular of viśvāsa

viśvāsa - trust, confidence, faith

from vi-śvas ('to trust')

Prefix: vi

Root: śvas (class 2)

Note: Subject of 'kāryaḥ'.

कार्यः (kāryaḥ) - should be done, is to be done, proper to be done

(adjective)

Nominative, masculine, singular of kārya

kārya - to be done, duty, action

Gerundive

from root kṛ ('to do, make')

Root: kṛ (class 8)

Note: Agrees with 'viśvāsaḥ'.

विश्वासघातकः (viśvāsaghātakaḥ) - a betrayer of trust, a deceiver

(noun)

Nominative, masculine, singular of viśvāsaghātaka

viśvāsaghātaka - betrayer of trust, traitor, deceiver

from viśvāsa ('trust') + ghātaka ('killer, destroyer')

Compound type : tatpurusha (viśvāsa+ghātaka)

• viśvāsa – trust, confidence, faith
  noun (masculine)
• ghātaka – killer, slayer, betrayer, destroyer
  noun (masculine)
  from root han ('to strike, kill')
  Root: han (class 2)

Note: Implicitly, "trust in a betrayer of trust should not be done."