Shiva Purana · Chapter 7.12

śrīkṛṣṇa uvāca
maharṣivara sarvajña sarvajñānamahodadhe

pañcākṣarasya māhātmyaṃ śrotumicchāmi tattvataḥ

upamanyuruvāca
pañcākṣarasya māhātmyaṃ varṣakoṭiśatairapi

aśakyaṃ vistarādvaktuṃ tasmātsaṃkṣepataḥ śṛṇu

vede śivāgame cāyamubhayatra ṣaḍakṣareḥ

sarveṣāṃ śivabhaktānāmaśeṣārthasādhakaḥ

tadalpākṣaramarthāḍhyaṃ vedasāraṃ vimuktidam

ājñāsiddhamasaṃdigdhaṃ vākyametacchivātmakam

nānāsiddhiyutaṃ divyaṃ lokacittānuraṃjakam

suniścitārthaṃ gaṃbhīraṃ vākyaṃ tatpārameśvaram

mantraṃ sukhamukoccāryamaśeṣārthaprasiddhaye

prāhonnamaḥ śivāyeti sarvajñassarvadehinām

tadbījaṃ sarvavidyānāṃ maṃtramādyaṃ ṣaḍakṣaram

atisūkṣmaṃ mahārthaṃ ca jñeyaṃ tadvaṭabījavat

devo guṇatrayātītaḥ sarvajñaḥ sarvakṛtprabhuḥ

omityekākṣare mantre sthitaḥ sarvagataḥ śivaḥ

iśānādyāni sūkṣmāṇi brahmāṇyekākṣarāṇi tu

maṃtre namaśśivāyeti saṃsthitāni yathākramam

maṃtre ṣaḍakṣare sūkṣme pañcabrahmatanuḥ śivaḥ

vācyavācakabhāvena sthitaḥ sākṣātsvabhāvataḥ

vācyaśśivoprameyatvānmaṃtrastadvācakassmṛtaḥ

vācyavācakabhāvo 'yamanādisaṃsthitastayoḥ

yathā 'nādipravṛttoyaṃ ghorasaṃsārasāgaraḥ

śivo 'pi hi tathānādisaṃsārānmocakaḥ sthitaḥ

vyādhīnāṃ bheṣajaṃ yadvatpratipakṣaḥ svabhāvataḥ

tadvatsaṃsāradoṣāṇāṃ pratipakṣaḥ śivassmṛtaḥ

asatyasmin jagannāthe tamobhūtamidaṃ bhavet

acetanatvātprakṛterajñatvātpuraṣasya ca

pradhānaparamāṇvādi yāvatkiṃcidacetanam

na tatkartṛ svayaṃ dṛṣṭaṃ buddhimatkāraṇaṃ vinā

dharmādharmopadeśaśca baṃdhamokṣau vicāraṇāt

na sarvajñaṃ vinā puṃsāmādisargaḥ prasiddhyati

vaidyaṃ vinā nirānaṃdāḥ kliśyaṃte rogiṇo yathā

tasmādanādiḥ sarvajñaḥ paripūrṇassadāśivaḥ

asti nāthaḥ paritrātā puṃsāṃ saṃsārasāgarāt

ādimadhyāṃtanirmuktassvabhāvavimalaḥ prabhuḥ

sarvajñaḥ paripūrṇaśca śivo jñeyaśśivāgame

tasyābhidhānamantro 'yamabhidheyaśca sa smṛtaḥ

abhidhānābhidheyatvānmaṃtrassiddhaḥ paraśśivaḥ

etāvattu śivajñānametāvatparamaṃ padam

yadoṃnamaśśivāyeti śivavākyaṃ ṣaḍakṣaram

vidhivākyamidaṃ śaivaṃ nārthavādaṃ śivātmakam

yassarvajñassusaṃpūrṇaḥ svabhāvavimalaḥ śivaḥ

lokānugrahakartā ca sa mṛṣārthaṃ kathaṃ vadet

yadyathāvasthitaṃ vastu guṇadoṣaiḥ svabhāvataḥ

yāvatphalaṃ ca tatpūrṇaṃ sarvajñastu yathā vadet

rāgājñānādibhirdoṣairgrastatvādanṛtaṃ vadet

te ceśvare na vidyete brūyātsa kathamanyathā

ajñātāśeṣadoṣeṇa sarvajñeya śivena yat

praṇītamamalaṃ vākyaṃ tatpramāṇaṃ na saṃśayaḥ

tasmādīśvaravākyāni śraddheyāni vipaścitā

yathārthapuṇyapāpeṣu tadaśraddho vrajatyadhaḥ

svargāpavargasiddhyarthaṃ bhāṣitaṃ yatsuśobhanam

vākyaṃ munivaraiḥ śāṃtaistadvijñeyaṃ subhāṣitam

rāgadveṣānṛtakrodhakāmatṛṣṇānusāri yat

vākyaṃ nirayahetutvāttaddurbhāṣitamucyate

saṃskṛtenāpi kiṃ tena mṛdunā lalitena vā

avidyārāgavākyena saṃsārakleśahetunā

yacchrutvā jāyate śreyo rāgādīnāṃ ca saṃśayaḥ

virūpamapi tadvākyaṃ vijñeyamiti śobhanam

bahutvepi hi maṃtrāṇāṃ sarvajñena śivena yaḥ

praṇīto vimalo mantro na tena sadṛśaḥ kvacit

sāṃgāni vedaśāstrāṇi saṃsthitāni ṣaḍakṣare

na tena sadṛśastasmānmantro 'pyastyaparaḥ kvacit

saptakoṭimahāmantrairupamantrairanekadhā

mantraḥ ṣaḍakṣaro bhinnassūtraṃ vṛtyātmanā yathā

śivajñānāni yāvaṃti vidyāsthānāpi yāni ca

ṣaḍakṣarasya sūtrasya tāni bhāṣyaṃ samāsataḥ

kiṃ tasya bahubhirmaṃtraiśśāstrairvā bahuvistaraiḥ

yasyonnamaḥ śivāyeti mantro 'yaṃ hṛdi saṃsthitaḥ

tenādhītaṃ śrutaṃ tena kṛtaṃ sarvamanuṣṭhitam

yenonnamaśśivāyeti maṃtrābhyāsaḥ sthirīkṛtaḥ

namaskārādisaṃyuktaṃ śivāyetyakṣaratrayam

jihvāgre vartate yasya saphalaṃ tasya jīvitam

aṃtyajo vādhamo vāpi mūrkho vā paṃḍito 'pi vā

pañcākṣarajape niṣṭho mucyate pāpapaṃjarāt

ityuktaṃ parameśena devyā pṛṣṭena śūlinā

hitāya sarvamartyānāṃ dvijānāṃ tu viśeṣataḥ

iti śrīśivamahāpurāṇe saptamyāṃ vāyavīyasaṃhitāyāmuttarakhaṇḍe pañcākṣaramāhātmyavarṇanaṃ nāma dvādaśo 'dhyāyaḥ