योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-1, verse-23

निःसंकल्पमरुज्ज्वालायन्त्राम्बुस्पन्दवद्यदि ।
स्पन्दसे तदनन्ताय श्रेयसे परिकल्पसे ॥ २३ ॥

niḥsaṃkalpamarujjvālāyantrāmbuspandavadyadi ,
spandase tadanantāya śreyase parikalpase 23

23. niḥsaṃkalpamarutjvālāyantrāmbu-spandavat yadi
spandase tat anantāya śreyase parikalpase

23. yadi niḥsaṃkalpamarutjvālāyantrāmbu-spandavat
spandase tat anantāya śreyase parikalpase

23. If you act without specific resolve (saṃkalpa), like the natural movement of wind, flame, a machine, or water, then you become capable of achieving infinite welfare.

Words meanings summery:

• निःसंकल्पमरुत्ज्वालायन्त्राम्बु-स्पन्दवत् (niḥsaṁkalpamarutjvālāyantrāmbu-spandavat) - Describes acting spontaneously without conscious intention. (like the movement of wind, flame, machine, or water, without resolve)

• यदि (yadi) - if

• स्पन्दसे (spandase) - you move, you vibrate

• तत् (tat) - then, therefore

• अनन्ताय (anantāya) - for the endless, for the infinite

• श्रेयसे (śreyase) - For the highest benefit or spiritual good. (for welfare, for ultimate good, for prosperity)

• परिकल्पसे (parikalpase) - you become fit for, you are prepared for, you are capable of

Words meanings and morphology

निःसंकल्पमरुत्ज्वालायन्त्राम्बु-स्पन्दवत् (niḥsaṁkalpamarutjvālāyantrāmbu-spandavat) - Describes acting spontaneously without conscious intention. (like the movement of wind, flame, machine, or water, without resolve)

(indeclinable)

vat suffix meaning 'like' or 'having' attached to the compound.

Compound type : tatpurusha (niḥsaṃkalpa+marut+jvālā+yantra+ambu+spanda)

• niḥsaṃkalpa – without resolve/intention/thought
  adjective (masculine/feminine/neuter)
  Prefix: nis
• marut – wind, air, god of wind
  noun (masculine)
• jvālā – flame, blaze
  noun (feminine)
  Root: jval (class 1)
• yantra – machine, instrument, device
  noun (neuter)
  Root: yam (class 1)
• ambu – water
  noun (neuter)
• spanda – movement, vibration, pulsation
  noun (masculine)
  Root: spand (class 1)

Note: vat is an adverbial suffix.

यदि (yadi) - if

(indeclinable)

स्पन्दसे (spandase) - you move, you vibrate

(verb)

2nd person , singular, middle, present (laṭ) of spand

present indicative

1st class verb, Atmanepada (middle voice) ending.

Root: spand (class 1)

तत् (tat) - then, therefore

(indeclinable)

Neuter nominative/accusative singular, often used adverbially.

अनन्ताय (anantāya) - for the endless, for the infinite

(adjective)

Dative, masculine/neuter, singular of ananta

ananta - endless, infinite, boundless

Prefix: an

Root: ant

Note: Can be used as a noun meaning 'infinity'. Here, it qualifies 'śreyase'.

श्रेयसे (śreyase) - For the highest benefit or spiritual good. (for welfare, for ultimate good, for prosperity)

(noun)

Dative, neuter, singular of śreyas

śreyas - welfare, prosperity, ultimate good, excellence

Comparative form of śrī or praśasya, often used substantively as 'the good'.

परिकल्पसे (parikalpase) - you become fit for, you are prepared for, you are capable of

(verb)

2nd person , singular, middle, present (laṭ) of kḷp

present indicative

1st class verb, Atmanepada (middle voice) ending.

Prefix: pari

Root: kḷp (class 1)