योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-22, verse-51

नीरसो भव भावेषु सर्वेषु विभवादिषु ।
पाषाणं हृदयं कृत्वा यथा भवसि भूतये ॥ ५१ ॥

nīraso bhava bhāveṣu sarveṣu vibhavādiṣu ,
pāṣāṇaṃ hṛdayaṃ kṛtvā yathā bhavasi bhūtaye 51

51. nīrasaḥ bhava bhāveṣu sarveṣu vibhavādiṣu
pāṣāṇam hṛdayam kṛtvā yathā bhavasi bhūtaye

51. sarveṣu vibhavādiṣu bhāveṣu nīrasaḥ bhava
hṛdayam pāṣāṇam kṛtvā yathā bhūtaye bhavasi

51. Become devoid of attachment (nīrasa) to all material conditions (bhāva), such as wealth and other forms of worldly success. Make your heart like stone so that you may achieve genuine spiritual well-being (bhūti).

Words meanings summery:

• नीरसः (nīrasaḥ) - dispassionate, free from attachment (devoid of sap/juice, tasteless, dispassionate, indifferent, without attachment)

• भव (bhava) - become (imperative) (be, become, exist)

• भावेषु (bhāveṣu) - in all conditions or states of existence (in states, in feelings, in entities, in things)

• सर्वेषु (sarveṣu) - in all

• विभवादिषु (vibhavādiṣu) - including wealth and other forms of prosperity (in wealth and so on, in prosperity etc.)

• पाषाणम् (pāṣāṇam) - like a stone (stone, rock)

• हृदयम् (hṛdayam) - heart, mind, core

• कृत्वा (kṛtvā) - by making, having made (having done, having made)

• यथा (yathā) - so that, in order that (as, just as, so that, in order that)

• भवसि (bhavasi) - you will attain, you become (you are, you become)

• भूतये (bhūtaye) - for (spiritual) well-being (for existence, for well-being, for prosperity, for spiritual power)

Words meanings and morphology

नीरसः (nīrasaḥ) - dispassionate, free from attachment (devoid of sap/juice, tasteless, dispassionate, indifferent, without attachment)

(adjective)

Nominative, masculine, singular of nīrasa

nīrasa - devoid of juice, tasteless, indifferent, dispassionate, free from attachment

nis (without) + rasa (juice, essence, feeling, emotion)

Compound type : avyayībhāva (nis+rasa)

• nis – without, out, away
  prefix
  Negative or privative prefix.
• rasa – juice, essence, taste, feeling, emotion, attachment
  noun (masculine)

Note: Qualifies the implied subject "you".

भव (bhava) - become (imperative) (be, become, exist)

(verb)

2nd person , singular, active, imperative (loṭ) of bhū

imperative active

Root: bhū (class 1)

भावेषु (bhāveṣu) - in all conditions or states of existence (in states, in feelings, in entities, in things)

(noun)

Locative, masculine, plural of bhāva

bhāva - being, existence, state, condition, feeling, intention, thing, substance

From root bhū (to be).

Root: bhū (class 1)

Note: Refers to various conditions or phenomena.

सर्वेषु (sarveṣu) - in all

(adjective)

Locative, masculine, plural of sarva

sarva - all, every, whole, entire

Note: Qualifies bhāveṣu.

विभवादिषु (vibhavādiṣu) - including wealth and other forms of prosperity (in wealth and so on, in prosperity etc.)

(noun)

Locative, masculine, plural of vibhavādi

vibhavādi - prosperity and so on, wealth and the like

Compound of vibhava (wealth, power, prosperity) and ādi (beginning, and so on).

Compound type : tatpurusha (vibhava+ādi)

• vibhava – power, might, prosperity, wealth, great extent
  noun (masculine)
  From root bhū (to be) with prefix vi.
  Prefix: vi
  Root: bhū (class 1)
• ādi – beginning, and so on, etc.
  noun/indeclinable (masculine)

Note: Qualifies bhāveṣu further by giving examples.

पाषाणम् (pāṣāṇam) - like a stone (stone, rock)

(noun)

Accusative, masculine, singular of pāṣāṇa

pāṣāṇa - stone, rock

Note: Object of kṛtvā.

हृदयम् (hṛdayam) - heart, mind, core

(noun)

Accusative, neuter, singular of hṛdaya

hṛdaya - heart, mind, soul, core, essence

Root: hṛ

Note: Object of kṛtvā.

कृत्वा (kṛtvā) - by making, having made (having done, having made)

(indeclinable)

absolutive (gerund)

Formed with suffix tvā.

Root: kṛ (class 8)

यथा (yathā) - so that, in order that (as, just as, so that, in order that)

(indeclinable)

भवसि (bhavasi) - you will attain, you become (you are, you become)

(verb)

2nd person , singular, active, present (laṭ) of bhū

present active

Root: bhū (class 1)

Note: Used in a subjunctive sense following yathā.

भूतये (bhūtaye) - for (spiritual) well-being (for existence, for well-being, for prosperity, for spiritual power)

(noun)

Dative, feminine, singular of bhūti

bhūti - being, existence, well-being, welfare, prosperity, spiritual power, supernatural power

From root bhū (to be).

Root: bhū (class 1)

Note: Expresses purpose.