Narada Purana — Purva Bhaga, Shloka 11
Dīkṣā, Mantra-Types, Mantra-Doṣas, and Qualifications of Ācārya–Śiṣya
जप्तो यदि स वै देवं प्रबुद्धः क्षिप्रसिद्धिदः । अनया मालया जप्तो दुष्टमन्त्रोऽपि सिद्ध्यति ॥ ११ ॥
japto yadi sa vai devaṃ prabuddhaḥ kṣiprasiddhidaḥ | anayā mālayā japto duṣṭamantro'pi siddhyati || 11 ||
若以持诵（japa）而召请彼神祇，则真言之力全然觉醒，迅速赐予成就；并且以此念珠（mālā）持诵时，即便有缺的真言亦能获得悉地（siddhi）。
Narada (teaching in the Vedanga/ritual-technical section; dialogue framed within Narada–Sanatkumara discourse)
Vrata: none
Primary Rasa: bhakti (devotion)
Secondary Rasa: adbhuta
FAQs
It teaches that mantra-japa is most effective when the deity is truly invoked and ‘awakened’ in the practitioner’s worship, and it highlights the mala as a powerful aid that can elevate the efficacy of the practice.
By emphasizing “deva” as the living focus of japa, the verse points to devotional attentiveness—japa succeeds not merely by sound, but by sincere invocation that makes the deity’s presence ‘awake’ in worship.
It reflects ritual-technical discipline (prayoga): correct use of a mala for counting and steadiness in japa, suggesting that proper method can strengthen results even when the mantra is imperfectly formed.